Home / 10,143.95-13,998.76-5,607.19

Finding the Fourth Proportional to 10,143.95, 13,998.76 and 5,607.19

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Solution

The fourth proportional to 10,143.95, 13,998.76 and 5,607.19 is: 7,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.95 : 13,998.76 = 5,607.19 : x
  2. Step 2: Convert to fraction form
    10,143.95/13,998.76 = 5,607.19/x
  3. Step 3: Cross multiply
    10,143.95x = 13,998.76 × 5,607.19
  4. Step 4: Simplify right side
    10,143.95x = 78,493,658.07
  5. Step 5: Solve for x
    x = 78,493,658.07/10,143.95
  6. Step 6: Final answer
    x = 7,737.98

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.