Home / 15,388.40-22,977.70-12,232.88

Finding the Fourth Proportional to 15,388.40, 22,977.70 and 12,232.88

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Solution

The fourth proportional to 15,388.40, 22,977.70 and 12,232.88 is: 18,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.40 : 22,977.70 = 12,232.88 : x
  2. Step 2: Convert to fraction form
    15,388.40/22,977.70 = 12,232.88/x
  3. Step 3: Cross multiply
    15,388.40x = 22,977.70 × 12,232.88
  4. Step 4: Simplify right side
    15,388.40x = 281,083,446.78
  5. Step 5: Solve for x
    x = 281,083,446.78/15,388.40
  6. Step 6: Final answer
    x = 18,265.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.