Home / 10,729.28-14,807.46-6,192.20

Finding the Fourth Proportional to 10,729.28, 14,807.46 and 6,192.20

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Solution

The fourth proportional to 10,729.28, 14,807.46 and 6,192.20 is: 8,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.28 : 14,807.46 = 6,192.20 : x
  2. Step 2: Convert to fraction form
    10,729.28/14,807.46 = 6,192.20/x
  3. Step 3: Cross multiply
    10,729.28x = 14,807.46 × 6,192.20
  4. Step 4: Simplify right side
    10,729.28x = 91,690,753.81
  5. Step 5: Solve for x
    x = 91,690,753.81/10,729.28
  6. Step 6: Final answer
    x = 8,545.84

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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.