Home / 11,865.60-16,385.40-9,524.88

Finding the Fourth Proportional to 11,865.60, 16,385.40 and 9,524.88

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Solution

The fourth proportional to 11,865.60, 16,385.40 and 9,524.88 is: 13,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.60 : 16,385.40 = 9,524.88 : x
  2. Step 2: Convert to fraction form
    11,865.60/16,385.40 = 9,524.88/x
  3. Step 3: Cross multiply
    11,865.60x = 16,385.40 × 9,524.88
  4. Step 4: Simplify right side
    11,865.60x = 156,068,968.75
  5. Step 5: Solve for x
    x = 156,068,968.75/11,865.60
  6. Step 6: Final answer
    x = 13,153.06

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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.