Home / 13,339.92-20,013.24-4,572.48

Finding the Fourth Proportional to 13,339.92, 20,013.24 and 4,572.48

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Solution

The fourth proportional to 13,339.92, 20,013.24 and 4,572.48 is: 6,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.92 : 20,013.24 = 4,572.48 : x
  2. Step 2: Convert to fraction form
    13,339.92/20,013.24 = 4,572.48/x
  3. Step 3: Cross multiply
    13,339.92x = 20,013.24 × 4,572.48
  4. Step 4: Simplify right side
    13,339.92x = 91,510,139.64
  5. Step 5: Solve for x
    x = 91,510,139.64/13,339.92
  6. Step 6: Final answer
    x = 6,859.87

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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.