Home / 14,487.82-21,727.95-5,126.92

Finding the Fourth Proportional to 14,487.82, 21,727.95 and 5,126.92

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Solution

The fourth proportional to 14,487.82, 21,727.95 and 5,126.92 is: 7,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.82 : 21,727.95 = 5,126.92 : x
  2. Step 2: Convert to fraction form
    14,487.82/21,727.95 = 5,126.92/x
  3. Step 3: Cross multiply
    14,487.82x = 21,727.95 × 5,126.92
  4. Step 4: Simplify right side
    14,487.82x = 111,397,461.41
  5. Step 5: Solve for x
    x = 111,397,461.41/14,487.82
  6. Step 6: Final answer
    x = 7,689.04

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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.