Home / 9,141.48-12,615.58-5,163.19

Finding the Fourth Proportional to 9,141.48, 12,615.58 and 5,163.19

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Solution

The fourth proportional to 9,141.48, 12,615.58 and 5,163.19 is: 7,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.48 : 12,615.58 = 5,163.19 : x
  2. Step 2: Convert to fraction form
    9,141.48/12,615.58 = 5,163.19/x
  3. Step 3: Cross multiply
    9,141.48x = 12,615.58 × 5,163.19
  4. Step 4: Simplify right side
    9,141.48x = 65,136,573.42
  5. Step 5: Solve for x
    x = 65,136,573.42/9,141.48
  6. Step 6: Final answer
    x = 7,125.39

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Half scale
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Double scale
Find fourth proportional to 9,142.48, 12,616.96 and 5,164.19
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.