Home / 13,158.28-19,737.42-5,367.70

Finding the Fourth Proportional to 13,158.28, 19,737.42 and 5,367.70

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Solution

The fourth proportional to 13,158.28, 19,737.42 and 5,367.70 is: 8,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.28 : 19,737.42 = 5,367.70 : x
  2. Step 2: Convert to fraction form
    13,158.28/19,737.42 = 5,367.70/x
  3. Step 3: Cross multiply
    13,158.28x = 19,737.42 × 5,367.70
  4. Step 4: Simplify right side
    13,158.28x = 105,944,549.33
  5. Step 5: Solve for x
    x = 105,944,549.33/13,158.28
  6. Step 6: Final answer
    x = 8,051.55

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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.