Home / 15,791.60-23,687.40-9,954.80

Finding the Fourth Proportional to 15,791.60, 23,687.40 and 9,954.80

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Solution

The fourth proportional to 15,791.60, 23,687.40 and 9,954.80 is: 14,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.60 : 23,687.40 = 9,954.80 : x
  2. Step 2: Convert to fraction form
    15,791.60/23,687.40 = 9,954.80/x
  3. Step 3: Cross multiply
    15,791.60x = 23,687.40 × 9,954.80
  4. Step 4: Simplify right side
    15,791.60x = 235,803,329.52
  5. Step 5: Solve for x
    x = 235,803,329.52/15,791.60
  6. Step 6: Final answer
    x = 14,932.20

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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.