Home / 17,380.13-23,987.99-11,337.86

Finding the Fourth Proportional to 17,380.13, 23,987.99 and 11,337.86

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Solution

The fourth proportional to 17,380.13, 23,987.99 and 11,337.86 is: 15,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.13 : 23,987.99 = 11,337.86 : x
  2. Step 2: Convert to fraction form
    17,380.13/23,987.99 = 11,337.86/x
  3. Step 3: Cross multiply
    17,380.13x = 23,987.99 × 11,337.86
  4. Step 4: Simplify right side
    17,380.13x = 271,972,472.30
  5. Step 5: Solve for x
    x = 271,972,472.30/17,380.13
  6. Step 6: Final answer
    x = 15,648.47

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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.