Home / 18,542.40-25,586.08-11,375.52

Finding the Fourth Proportional to 18,542.40, 25,586.08 and 11,375.52

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Solution

The fourth proportional to 18,542.40, 25,586.08 and 11,375.52 is: 15,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.40 : 25,586.08 = 11,375.52 : x
  2. Step 2: Convert to fraction form
    18,542.40/25,586.08 = 11,375.52/x
  3. Step 3: Cross multiply
    18,542.40x = 25,586.08 × 11,375.52
  4. Step 4: Simplify right side
    18,542.40x = 291,054,964.76
  5. Step 5: Solve for x
    x = 291,054,964.76/18,542.40
  6. Step 6: Final answer
    x = 15,696.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.