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Finding the Fourth Proportional to 15,750.60, 23,601.60 and 13,660.80

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Solution

The fourth proportional to 15,750.60, 23,601.60 and 13,660.80 is: 20,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.60 : 23,601.60 = 13,660.80 : x
  2. Step 2: Convert to fraction form
    15,750.60/23,601.60 = 13,660.80/x
  3. Step 3: Cross multiply
    15,750.60x = 23,601.60 × 13,660.80
  4. Step 4: Simplify right side
    15,750.60x = 322,416,737.28
  5. Step 5: Solve for x
    x = 322,416,737.28/15,750.60
  6. Step 6: Final answer
    x = 20,470.12

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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.