Home / 13,937.91-19,233.61-8,272.90

Finding the Fourth Proportional to 13,937.91, 19,233.61 and 8,272.90

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Solution

The fourth proportional to 13,937.91, 19,233.61 and 8,272.90 is: 11,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.91 : 19,233.61 = 8,272.90 : x
  2. Step 2: Convert to fraction form
    13,937.91/19,233.61 = 8,272.90/x
  3. Step 3: Cross multiply
    13,937.91x = 19,233.61 × 8,272.90
  4. Step 4: Simplify right side
    13,937.91x = 159,117,732.17
  5. Step 5: Solve for x
    x = 159,117,732.17/13,937.91
  6. Step 6: Final answer
    x = 11,416.18

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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.