Home / 15,497.80-23,246.70-8,920.60

Finding the Fourth Proportional to 15,497.80, 23,246.70 and 8,920.60

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Solution

The fourth proportional to 15,497.80, 23,246.70 and 8,920.60 is: 13,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.80 : 23,246.70 = 8,920.60 : x
  2. Step 2: Convert to fraction form
    15,497.80/23,246.70 = 8,920.60/x
  3. Step 3: Cross multiply
    15,497.80x = 23,246.70 × 8,920.60
  4. Step 4: Simplify right side
    15,497.80x = 207,374,512.02
  5. Step 5: Solve for x
    x = 207,374,512.02/15,497.80
  6. Step 6: Final answer
    x = 13,380.90

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Similar ratio
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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.