Home / 18,540.65-25,585.55-10,474.68

Finding the Fourth Proportional to 18,540.65, 25,585.55 and 10,474.68

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Solution

The fourth proportional to 18,540.65, 25,585.55 and 10,474.68 is: 14,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.65 : 25,585.55 = 10,474.68 : x
  2. Step 2: Convert to fraction form
    18,540.65/25,585.55 = 10,474.68/x
  3. Step 3: Cross multiply
    18,540.65x = 25,585.55 × 10,474.68
  4. Step 4: Simplify right side
    18,540.65x = 268,000,394.33
  5. Step 5: Solve for x
    x = 268,000,394.33/18,540.65
  6. Step 6: Final answer
    x = 14,454.75

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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.