Home / 16,079.28-22,189.80-9,007.14

Finding the Fourth Proportional to 16,079.28, 22,189.80 and 9,007.14

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Solution

The fourth proportional to 16,079.28, 22,189.80 and 9,007.14 is: 12,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.28 : 22,189.80 = 9,007.14 : x
  2. Step 2: Convert to fraction form
    16,079.28/22,189.80 = 9,007.14/x
  3. Step 3: Cross multiply
    16,079.28x = 22,189.80 × 9,007.14
  4. Step 4: Simplify right side
    16,079.28x = 199,866,635.17
  5. Step 5: Solve for x
    x = 199,866,635.17/16,079.28
  6. Step 6: Final answer
    x = 12,430.07

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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.