Home / 15,654.40-23,498.88-12,388.48

Finding the Fourth Proportional to 15,654.40, 23,498.88 and 12,388.48

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Solution

The fourth proportional to 15,654.40, 23,498.88 and 12,388.48 is: 18,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,654.40 : 23,498.88 = 12,388.48 : x
  2. Step 2: Convert to fraction form
    15,654.40/23,498.88 = 12,388.48/x
  3. Step 3: Cross multiply
    15,654.40x = 23,498.88 × 12,388.48
  4. Step 4: Simplify right side
    15,654.40x = 291,115,404.90
  5. Step 5: Solve for x
    x = 291,115,404.90/15,654.40
  6. Step 6: Final answer
    x = 18,596.39

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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.