Home / 15,168.09-22,743.57-6,278.40

Finding the Fourth Proportional to 15,168.09, 22,743.57 and 6,278.40

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Solution

The fourth proportional to 15,168.09, 22,743.57 and 6,278.40 is: 9,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.09 : 22,743.57 = 6,278.40 : x
  2. Step 2: Convert to fraction form
    15,168.09/22,743.57 = 6,278.40/x
  3. Step 3: Cross multiply
    15,168.09x = 22,743.57 × 6,278.40
  4. Step 4: Simplify right side
    15,168.09x = 142,793,229.89
  5. Step 5: Solve for x
    x = 142,793,229.89/15,168.09
  6. Step 6: Final answer
    x = 9,414.05

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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.