Home / 14,737.28-20,338.88-11,004.80

Finding the Fourth Proportional to 14,737.28, 20,338.88 and 11,004.80

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Solution

The fourth proportional to 14,737.28, 20,338.88 and 11,004.80 is: 15,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.28 : 20,338.88 = 11,004.80 : x
  2. Step 2: Convert to fraction form
    14,737.28/20,338.88 = 11,004.80/x
  3. Step 3: Cross multiply
    14,737.28x = 20,338.88 × 11,004.80
  4. Step 4: Simplify right side
    14,737.28x = 223,825,306.62
  5. Step 5: Solve for x
    x = 223,825,306.62/14,737.28
  6. Step 6: Final answer
    x = 15,187.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.