Home / 16,449.84-22,695.20-9,371.28

Finding the Fourth Proportional to 16,449.84, 22,695.20 and 9,371.28

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Solution

The fourth proportional to 16,449.84, 22,695.20 and 9,371.28 is: 12,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.84 : 22,695.20 = 9,371.28 : x
  2. Step 2: Convert to fraction form
    16,449.84/22,695.20 = 9,371.28/x
  3. Step 3: Cross multiply
    16,449.84x = 22,695.20 × 9,371.28
  4. Step 4: Simplify right side
    16,449.84x = 212,683,073.86
  5. Step 5: Solve for x
    x = 212,683,073.86/16,449.84
  6. Step 6: Final answer
    x = 12,929.19

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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.