Home / 25,169.53-34,734.84-13,839.89

Finding the Fourth Proportional to 25,169.53, 34,734.84 and 13,839.89

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Solution

The fourth proportional to 25,169.53, 34,734.84 and 13,839.89 is: 19,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.53 : 34,734.84 = 13,839.89 : x
  2. Step 2: Convert to fraction form
    25,169.53/34,734.84 = 13,839.89/x
  3. Step 3: Cross multiply
    25,169.53x = 34,734.84 × 13,839.89
  4. Step 4: Simplify right side
    25,169.53x = 480,726,178.12
  5. Step 5: Solve for x
    x = 480,726,178.12/25,169.53
  6. Step 6: Final answer
    x = 19,099.53

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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.