Home / 38,469.23-57,698.06-12,170.55

Finding the Fourth Proportional to 38,469.23, 57,698.06 and 12,170.55

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Solution

The fourth proportional to 38,469.23, 57,698.06 and 12,170.55 is: 18,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.23 : 57,698.06 = 12,170.55 : x
  2. Step 2: Convert to fraction form
    38,469.23/57,698.06 = 12,170.55/x
  3. Step 3: Cross multiply
    38,469.23x = 57,698.06 × 12,170.55
  4. Step 4: Simplify right side
    38,469.23x = 702,217,124.13
  5. Step 5: Solve for x
    x = 702,217,124.13/38,469.23
  6. Step 6: Final answer
    x = 18,253.99

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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.