Home / 15,398.64-23,091.48-5,909.40

Finding the Fourth Proportional to 15,398.64, 23,091.48 and 5,909.40

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Solution

The fourth proportional to 15,398.64, 23,091.48 and 5,909.40 is: 8,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398.64 : 23,091.48 = 5,909.40 : x
  2. Step 2: Convert to fraction form
    15,398.64/23,091.48 = 5,909.40/x
  3. Step 3: Cross multiply
    15,398.64x = 23,091.48 × 5,909.40
  4. Step 4: Simplify right side
    15,398.64x = 136,456,791.91
  5. Step 5: Solve for x
    x = 136,456,791.91/15,398.64
  6. Step 6: Final answer
    x = 8,861.61

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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.