Home / 18,854.20-28,273.02-9,490.60

Finding the Fourth Proportional to 18,854.20, 28,273.02 and 9,490.60

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Solution

The fourth proportional to 18,854.20, 28,273.02 and 9,490.60 is: 14,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.20 : 28,273.02 = 9,490.60 : x
  2. Step 2: Convert to fraction form
    18,854.20/28,273.02 = 9,490.60/x
  3. Step 3: Cross multiply
    18,854.20x = 28,273.02 × 9,490.60
  4. Step 4: Simplify right side
    18,854.20x = 268,327,923.61
  5. Step 5: Solve for x
    x = 268,327,923.61/18,854.20
  6. Step 6: Final answer
    x = 14,231.73

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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.