Home / 18,148.38-25,045.74-10,191.75

Finding the Fourth Proportional to 18,148.38, 25,045.74 and 10,191.75

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Solution

The fourth proportional to 18,148.38, 25,045.74 and 10,191.75 is: 14,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.38 : 25,045.74 = 10,191.75 : x
  2. Step 2: Convert to fraction form
    18,148.38/25,045.74 = 10,191.75/x
  3. Step 3: Cross multiply
    18,148.38x = 25,045.74 × 10,191.75
  4. Step 4: Simplify right side
    18,148.38x = 255,259,920.65
  5. Step 5: Solve for x
    x = 255,259,920.65/18,148.38
  6. Step 6: Final answer
    x = 14,065.16

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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.