Home / 15,304.55-22,935.25-12,170.66

Finding the Fourth Proportional to 15,304.55, 22,935.25 and 12,170.66

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Solution

The fourth proportional to 15,304.55, 22,935.25 and 12,170.66 is: 18,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304.55 : 22,935.25 = 12,170.66 : x
  2. Step 2: Convert to fraction form
    15,304.55/22,935.25 = 12,170.66/x
  3. Step 3: Cross multiply
    15,304.55x = 22,935.25 × 12,170.66
  4. Step 4: Simplify right side
    15,304.55x = 279,137,030.30
  5. Step 5: Solve for x
    x = 279,137,030.30/15,304.55
  6. Step 6: Final answer
    x = 18,238.83

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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.