Home / 25,149.06-34,704.18-13,971.06

Finding the Fourth Proportional to 25,149.06, 34,704.18 and 13,971.06

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Solution

The fourth proportional to 25,149.06, 34,704.18 and 13,971.06 is: 19,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.06 : 34,704.18 = 13,971.06 : x
  2. Step 2: Convert to fraction form
    25,149.06/34,704.18 = 13,971.06/x
  3. Step 3: Cross multiply
    25,149.06x = 34,704.18 × 13,971.06
  4. Step 4: Simplify right side
    25,149.06x = 484,854,181.03
  5. Step 5: Solve for x
    x = 484,854,181.03/25,149.06
  6. Step 6: Final answer
    x = 19,279.22

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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.