Home / 9,943.80-13,723.12-6,580.76

Finding the Fourth Proportional to 9,943.80, 13,723.12 and 6,580.76

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Solution

The fourth proportional to 9,943.80, 13,723.12 and 6,580.76 is: 9,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.80 : 13,723.12 = 6,580.76 : x
  2. Step 2: Convert to fraction form
    9,943.80/13,723.12 = 6,580.76/x
  3. Step 3: Cross multiply
    9,943.80x = 13,723.12 × 6,580.76
  4. Step 4: Simplify right side
    9,943.80x = 90,308,559.17
  5. Step 5: Solve for x
    x = 90,308,559.17/9,943.80
  6. Step 6: Final answer
    x = 9,081.90

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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.