Home / 15,811.60-23,717.40-9,974.80

Finding the Fourth Proportional to 15,811.60, 23,717.40 and 9,974.80

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Solution

The fourth proportional to 15,811.60, 23,717.40 and 9,974.80 is: 14,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.60 : 23,717.40 = 9,974.80 : x
  2. Step 2: Convert to fraction form
    15,811.60/23,717.40 = 9,974.80/x
  3. Step 3: Cross multiply
    15,811.60x = 23,717.40 × 9,974.80
  4. Step 4: Simplify right side
    15,811.60x = 236,576,321.52
  5. Step 5: Solve for x
    x = 236,576,321.52/15,811.60
  6. Step 6: Final answer
    x = 14,962.20

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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.