Home / 9,980.28-13,771.56-6,001.20

Finding the Fourth Proportional to 9,980.28, 13,771.56 and 6,001.20

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Solution

The fourth proportional to 9,980.28, 13,771.56 and 6,001.20 is: 8,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.28 : 13,771.56 = 6,001.20 : x
  2. Step 2: Convert to fraction form
    9,980.28/13,771.56 = 6,001.20/x
  3. Step 3: Cross multiply
    9,980.28x = 13,771.56 × 6,001.20
  4. Step 4: Simplify right side
    9,980.28x = 82,645,885.87
  5. Step 5: Solve for x
    x = 82,645,885.87/9,980.28
  6. Step 6: Final answer
    x = 8,280.92

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Similar ratio
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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.