Home / 9,213.54-12,711.70-5,437.96

Finding the Fourth Proportional to 9,213.54, 12,711.70 and 5,437.96

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Solution

The fourth proportional to 9,213.54, 12,711.70 and 5,437.96 is: 7,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.54 : 12,711.70 = 5,437.96 : x
  2. Step 2: Convert to fraction form
    9,213.54/12,711.70 = 5,437.96/x
  3. Step 3: Cross multiply
    9,213.54x = 12,711.70 × 5,437.96
  4. Step 4: Simplify right side
    9,213.54x = 69,125,691.15
  5. Step 5: Solve for x
    x = 69,125,691.15/9,213.54
  6. Step 6: Final answer
    x = 7,502.62

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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.