Home / 25,134.67-34,684.46-13,805.65

Finding the Fourth Proportional to 25,134.67, 34,684.46 and 13,805.65

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Solution

The fourth proportional to 25,134.67, 34,684.46 and 13,805.65 is: 19,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.67 : 34,684.46 = 13,805.65 : x
  2. Step 2: Convert to fraction form
    25,134.67/34,684.46 = 13,805.65/x
  3. Step 3: Cross multiply
    25,134.67x = 34,684.46 × 13,805.65
  4. Step 4: Simplify right side
    25,134.67x = 478,841,515.20
  5. Step 5: Solve for x
    x = 478,841,515.20/25,134.67
  6. Step 6: Final answer
    x = 19,051.04

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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.