Home / 13,679.57-20,520.26-4,793.87

Finding the Fourth Proportional to 13,679.57, 20,520.26 and 4,793.87

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Solution

The fourth proportional to 13,679.57, 20,520.26 and 4,793.87 is: 7,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679.57 : 20,520.26 = 4,793.87 : x
  2. Step 2: Convert to fraction form
    13,679.57/20,520.26 = 4,793.87/x
  3. Step 3: Cross multiply
    13,679.57x = 20,520.26 × 4,793.87
  4. Step 4: Simplify right side
    13,679.57x = 98,371,332.24
  5. Step 5: Solve for x
    x = 98,371,332.24/13,679.57
  6. Step 6: Final answer
    x = 7,191.12

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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.