Home / 10,962.68-15,129.42-6,713.72

Finding the Fourth Proportional to 10,962.68, 15,129.42 and 6,713.72

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Solution

The fourth proportional to 10,962.68, 15,129.42 and 6,713.72 is: 9,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.68 : 15,129.42 = 6,713.72 : x
  2. Step 2: Convert to fraction form
    10,962.68/15,129.42 = 6,713.72/x
  3. Step 3: Cross multiply
    10,962.68x = 15,129.42 × 6,713.72
  4. Step 4: Simplify right side
    10,962.68x = 101,574,689.64
  5. Step 5: Solve for x
    x = 101,574,689.64/10,962.68
  6. Step 6: Final answer
    x = 9,265.50

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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.