Home / 13,545.28-20,317.92-5,748.63

Finding the Fourth Proportional to 13,545.28, 20,317.92 and 5,748.63

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Solution

The fourth proportional to 13,545.28, 20,317.92 and 5,748.63 is: 8,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.28 : 20,317.92 = 5,748.63 : x
  2. Step 2: Convert to fraction form
    13,545.28/20,317.92 = 5,748.63/x
  3. Step 3: Cross multiply
    13,545.28x = 20,317.92 × 5,748.63
  4. Step 4: Simplify right side
    13,545.28x = 116,800,204.45
  5. Step 5: Solve for x
    x = 116,800,204.45/13,545.28
  6. Step 6: Final answer
    x = 8,622.95

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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.