Home / 13,717.92-20,572.74-4,357.56

Finding the Fourth Proportional to 13,717.92, 20,572.74 and 4,357.56

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Solution

The fourth proportional to 13,717.92, 20,572.74 and 4,357.56 is: 6,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.92 : 20,572.74 = 4,357.56 : x
  2. Step 2: Convert to fraction form
    13,717.92/20,572.74 = 4,357.56/x
  3. Step 3: Cross multiply
    13,717.92x = 20,572.74 × 4,357.56
  4. Step 4: Simplify right side
    13,717.92x = 89,646,948.91
  5. Step 5: Solve for x
    x = 89,646,948.91/13,717.92
  6. Step 6: Final answer
    x = 6,535.02

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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.