Home / 10,681.02-14,740.23-6,143.69

Finding the Fourth Proportional to 10,681.02, 14,740.23 and 6,143.69

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Solution

The fourth proportional to 10,681.02, 14,740.23 and 6,143.69 is: 8,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.02 : 14,740.23 = 6,143.69 : x
  2. Step 2: Convert to fraction form
    10,681.02/14,740.23 = 6,143.69/x
  3. Step 3: Cross multiply
    10,681.02x = 14,740.23 × 6,143.69
  4. Step 4: Simplify right side
    10,681.02x = 90,559,372.93
  5. Step 5: Solve for x
    x = 90,559,372.93/10,681.02
  6. Step 6: Final answer
    x = 8,478.54

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Double scale
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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.