Home / 14,002.40-21,003.60-9,847.10

Finding the Fourth Proportional to 14,002.40, 21,003.60 and 9,847.10

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Solution

The fourth proportional to 14,002.40, 21,003.60 and 9,847.10 is: 14,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.40 : 21,003.60 = 9,847.10 : x
  2. Step 2: Convert to fraction form
    14,002.40/21,003.60 = 9,847.10/x
  3. Step 3: Cross multiply
    14,002.40x = 21,003.60 × 9,847.10
  4. Step 4: Simplify right side
    14,002.40x = 206,824,549.56
  5. Step 5: Solve for x
    x = 206,824,549.56/14,002.40
  6. Step 6: Final answer
    x = 14,770.65

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Similar ratio
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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.