Home / 15,522.28-23,283.42-12,775.18

Finding the Fourth Proportional to 15,522.28, 23,283.42 and 12,775.18

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Solution

The fourth proportional to 15,522.28, 23,283.42 and 12,775.18 is: 19,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.28 : 23,283.42 = 12,775.18 : x
  2. Step 2: Convert to fraction form
    15,522.28/23,283.42 = 12,775.18/x
  3. Step 3: Cross multiply
    15,522.28x = 23,283.42 × 12,775.18
  4. Step 4: Simplify right side
    15,522.28x = 297,449,881.52
  5. Step 5: Solve for x
    x = 297,449,881.52/15,522.28
  6. Step 6: Final answer
    x = 19,162.77

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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.