Home / 8,947.62-13,426.90-5,656.18

Finding the Fourth Proportional to 8,947.62, 13,426.90 and 5,656.18

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Solution

The fourth proportional to 8,947.62, 13,426.90 and 5,656.18 is: 8,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.62 : 13,426.90 = 5,656.18 : x
  2. Step 2: Convert to fraction form
    8,947.62/13,426.90 = 5,656.18/x
  3. Step 3: Cross multiply
    8,947.62x = 13,426.90 × 5,656.18
  4. Step 4: Simplify right side
    8,947.62x = 75,944,963.24
  5. Step 5: Solve for x
    x = 75,944,963.24/8,947.62
  6. Step 6: Final answer
    x = 8,487.73

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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.