Home / 15,990.20-23,963.70-14,132.60

Finding the Fourth Proportional to 15,990.20, 23,963.70 and 14,132.60

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Solution

The fourth proportional to 15,990.20, 23,963.70 and 14,132.60 is: 21,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.20 : 23,963.70 = 14,132.60 : x
  2. Step 2: Convert to fraction form
    15,990.20/23,963.70 = 14,132.60/x
  3. Step 3: Cross multiply
    15,990.20x = 23,963.70 × 14,132.60
  4. Step 4: Simplify right side
    15,990.20x = 338,669,386.62
  5. Step 5: Solve for x
    x = 338,669,386.62/15,990.20
  6. Step 6: Final answer
    x = 21,179.81

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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.