Home / 22,234.92-30,688.50-14,287.20

Finding the Fourth Proportional to 22,234.92, 30,688.50 and 14,287.20

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Solution

The fourth proportional to 22,234.92, 30,688.50 and 14,287.20 is: 19,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.92 : 30,688.50 = 14,287.20 : x
  2. Step 2: Convert to fraction form
    22,234.92/30,688.50 = 14,287.20/x
  3. Step 3: Cross multiply
    22,234.92x = 30,688.50 × 14,287.20
  4. Step 4: Simplify right side
    22,234.92x = 438,452,737.20
  5. Step 5: Solve for x
    x = 438,452,737.20/22,234.92
  6. Step 6: Final answer
    x = 19,719.11

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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.