Home / 15,314.12-22,949.60-12,180.23

Finding the Fourth Proportional to 15,314.12, 22,949.60 and 12,180.23

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Solution

The fourth proportional to 15,314.12, 22,949.60 and 12,180.23 is: 18,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.12 : 22,949.60 = 12,180.23 : x
  2. Step 2: Convert to fraction form
    15,314.12/22,949.60 = 12,180.23/x
  3. Step 3: Cross multiply
    15,314.12x = 22,949.60 × 12,180.23
  4. Step 4: Simplify right side
    15,314.12x = 279,531,230.76
  5. Step 5: Solve for x
    x = 279,531,230.76/15,314.12
  6. Step 6: Final answer
    x = 18,253.18

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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.