Home / 15,443.20-23,164.80-14,838.40

Finding the Fourth Proportional to 15,443.20, 23,164.80 and 14,838.40

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Solution

The fourth proportional to 15,443.20, 23,164.80 and 14,838.40 is: 22,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.20 : 23,164.80 = 14,838.40 : x
  2. Step 2: Convert to fraction form
    15,443.20/23,164.80 = 14,838.40/x
  3. Step 3: Cross multiply
    15,443.20x = 23,164.80 × 14,838.40
  4. Step 4: Simplify right side
    15,443.20x = 343,728,568.32
  5. Step 5: Solve for x
    x = 343,728,568.32/15,443.20
  6. Step 6: Final answer
    x = 22,257.60

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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.