Home / 14,346.17-21,520.49-3,957.92

Finding the Fourth Proportional to 14,346.17, 21,520.49 and 3,957.92

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Solution

The fourth proportional to 14,346.17, 21,520.49 and 3,957.92 is: 5,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.17 : 21,520.49 = 3,957.92 : x
  2. Step 2: Convert to fraction form
    14,346.17/21,520.49 = 3,957.92/x
  3. Step 3: Cross multiply
    14,346.17x = 21,520.49 × 3,957.92
  4. Step 4: Simplify right side
    14,346.17x = 85,176,260.28
  5. Step 5: Solve for x
    x = 85,176,260.28/14,346.17
  6. Step 6: Final answer
    x = 5,937.21

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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.