Home / 14,423.52-21,622.32-7,489.92

Finding the Fourth Proportional to 14,423.52, 21,622.32 and 7,489.92

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Solution

The fourth proportional to 14,423.52, 21,622.32 and 7,489.92 is: 11,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.52 : 21,622.32 = 7,489.92 : x
  2. Step 2: Convert to fraction form
    14,423.52/21,622.32 = 7,489.92/x
  3. Step 3: Cross multiply
    14,423.52x = 21,622.32 × 7,489.92
  4. Step 4: Simplify right side
    14,423.52x = 161,949,447.01
  5. Step 5: Solve for x
    x = 161,949,447.01/14,423.52
  6. Step 6: Final answer
    x = 11,228.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.