Home / 13,947.27-20,916.46-4,585.12

Finding the Fourth Proportional to 13,947.27, 20,916.46 and 4,585.12

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Solution

The fourth proportional to 13,947.27, 20,916.46 and 4,585.12 is: 6,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.27 : 20,916.46 = 4,585.12 : x
  2. Step 2: Convert to fraction form
    13,947.27/20,916.46 = 4,585.12/x
  3. Step 3: Cross multiply
    13,947.27x = 20,916.46 × 4,585.12
  4. Step 4: Simplify right side
    13,947.27x = 95,904,456.15
  5. Step 5: Solve for x
    x = 95,904,456.15/13,947.27
  6. Step 6: Final answer
    x = 6,876.22

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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.