Home / 13,529.50-20,276.43-5,728.66

Finding the Fourth Proportional to 13,529.50, 20,276.43 and 5,728.66

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Solution

The fourth proportional to 13,529.50, 20,276.43 and 5,728.66 is: 8,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.50 : 20,276.43 = 5,728.66 : x
  2. Step 2: Convert to fraction form
    13,529.50/20,276.43 = 5,728.66/x
  3. Step 3: Cross multiply
    13,529.50x = 20,276.43 × 5,728.66
  4. Step 4: Simplify right side
    13,529.50x = 116,156,773.48
  5. Step 5: Solve for x
    x = 116,156,773.48/13,529.50
  6. Step 6: Final answer
    x = 8,585.44

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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.