Home / 25,191.05-37,854.78-13,512.65

Finding the Fourth Proportional to 25,191.05, 37,854.78 and 13,512.65

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Solution

The fourth proportional to 25,191.05, 37,854.78 and 13,512.65 is: 20,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.05 : 37,854.78 = 13,512.65 : x
  2. Step 2: Convert to fraction form
    25,191.05/37,854.78 = 13,512.65/x
  3. Step 3: Cross multiply
    25,191.05x = 37,854.78 × 13,512.65
  4. Step 4: Simplify right side
    25,191.05x = 511,518,325.40
  5. Step 5: Solve for x
    x = 511,518,325.40/25,191.05
  6. Step 6: Final answer
    x = 20,305.56

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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.