Home / 15,909.60-23,864.40-8,997.60

Finding the Fourth Proportional to 15,909.60, 23,864.40 and 8,997.60

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Solution

The fourth proportional to 15,909.60, 23,864.40 and 8,997.60 is: 13,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.60 : 23,864.40 = 8,997.60 : x
  2. Step 2: Convert to fraction form
    15,909.60/23,864.40 = 8,997.60/x
  3. Step 3: Cross multiply
    15,909.60x = 23,864.40 × 8,997.60
  4. Step 4: Simplify right side
    15,909.60x = 214,722,325.44
  5. Step 5: Solve for x
    x = 214,722,325.44/15,909.60
  6. Step 6: Final answer
    x = 13,496.40

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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.