Home / 16,227.28-22,395.08-9,153.36

Finding the Fourth Proportional to 16,227.28, 22,395.08 and 9,153.36

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Solution

The fourth proportional to 16,227.28, 22,395.08 and 9,153.36 is: 12,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,227.28 : 22,395.08 = 9,153.36 : x
  2. Step 2: Convert to fraction form
    16,227.28/22,395.08 = 9,153.36/x
  3. Step 3: Cross multiply
    16,227.28x = 22,395.08 × 9,153.36
  4. Step 4: Simplify right side
    16,227.28x = 204,990,229.47
  5. Step 5: Solve for x
    x = 204,990,229.47/16,227.28
  6. Step 6: Final answer
    x = 12,632.45

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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.