Home / 15,496.80-23,245.20-9,578.40

Finding the Fourth Proportional to 15,496.80, 23,245.20 and 9,578.40

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Solution

The fourth proportional to 15,496.80, 23,245.20 and 9,578.40 is: 14,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496.80 : 23,245.20 = 9,578.40 : x
  2. Step 2: Convert to fraction form
    15,496.80/23,245.20 = 9,578.40/x
  3. Step 3: Cross multiply
    15,496.80x = 23,245.20 × 9,578.40
  4. Step 4: Simplify right side
    15,496.80x = 222,651,823.68
  5. Step 5: Solve for x
    x = 222,651,823.68/15,496.80
  6. Step 6: Final answer
    x = 14,367.60

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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.