Home / 18,285.60-25,232.76-10,327.80

Finding the Fourth Proportional to 18,285.60, 25,232.76 and 10,327.80

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Solution

The fourth proportional to 18,285.60, 25,232.76 and 10,327.80 is: 14,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.60 : 25,232.76 = 10,327.80 : x
  2. Step 2: Convert to fraction form
    18,285.60/25,232.76 = 10,327.80/x
  3. Step 3: Cross multiply
    18,285.60x = 25,232.76 × 10,327.80
  4. Step 4: Simplify right side
    18,285.60x = 260,598,898.73
  5. Step 5: Solve for x
    x = 260,598,898.73/18,285.60
  6. Step 6: Final answer
    x = 14,251.59

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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.