Home / 9,962.80-14,944.20-8,887.60

Finding the Fourth Proportional to 9,962.80, 14,944.20 and 8,887.60

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Solution

The fourth proportional to 9,962.80, 14,944.20 and 8,887.60 is: 13,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.80 : 14,944.20 = 8,887.60 : x
  2. Step 2: Convert to fraction form
    9,962.80/14,944.20 = 8,887.60/x
  3. Step 3: Cross multiply
    9,962.80x = 14,944.20 × 8,887.60
  4. Step 4: Simplify right side
    9,962.80x = 132,818,071.92
  5. Step 5: Solve for x
    x = 132,818,071.92/9,962.80
  6. Step 6: Final answer
    x = 13,331.40

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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.