Home / 14,487.20-21,732-4,627.88

Finding the Fourth Proportional to 14,487.20, 21,732 and 4,627.88

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Solution

The fourth proportional to 14,487.20, 21,732 and 4,627.88 is: 6,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.20 : 21,732 = 4,627.88 : x
  2. Step 2: Convert to fraction form
    14,487.20/21,732 = 4,627.88/x
  3. Step 3: Cross multiply
    14,487.20x = 21,732 × 4,627.88
  4. Step 4: Simplify right side
    14,487.20x = 100,573,088.16
  5. Step 5: Solve for x
    x = 100,573,088.16/14,487.20
  6. Step 6: Final answer
    x = 6,942.20

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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.