Home / 9,077.40-13,616.10-7,983.90

Finding the Fourth Proportional to 9,077.40, 13,616.10 and 7,983.90

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Solution

The fourth proportional to 9,077.40, 13,616.10 and 7,983.90 is: 11,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.40 : 13,616.10 = 7,983.90 : x
  2. Step 2: Convert to fraction form
    9,077.40/13,616.10 = 7,983.90/x
  3. Step 3: Cross multiply
    9,077.40x = 13,616.10 × 7,983.90
  4. Step 4: Simplify right side
    9,077.40x = 108,709,580.79
  5. Step 5: Solve for x
    x = 108,709,580.79/9,077.40
  6. Step 6: Final answer
    x = 11,975.85

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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.