Home / 18,722.28-28,074.02-6,237.93

Finding the Fourth Proportional to 18,722.28, 28,074.02 and 6,237.93

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Solution

The fourth proportional to 18,722.28, 28,074.02 and 6,237.93 is: 9,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.28 : 28,074.02 = 6,237.93 : x
  2. Step 2: Convert to fraction form
    18,722.28/28,074.02 = 6,237.93/x
  3. Step 3: Cross multiply
    18,722.28x = 28,074.02 × 6,237.93
  4. Step 4: Simplify right side
    18,722.28x = 175,123,740.39
  5. Step 5: Solve for x
    x = 175,123,740.39/18,722.28
  6. Step 6: Final answer
    x = 9,353.76

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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.