Home / 25,187.16-34,757.55-13,856.65

Finding the Fourth Proportional to 25,187.16, 34,757.55 and 13,856.65

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Solution

The fourth proportional to 25,187.16, 34,757.55 and 13,856.65 is: 19,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.16 : 34,757.55 = 13,856.65 : x
  2. Step 2: Convert to fraction form
    25,187.16/34,757.55 = 13,856.65/x
  3. Step 3: Cross multiply
    25,187.16x = 34,757.55 × 13,856.65
  4. Step 4: Simplify right side
    25,187.16x = 481,623,205.21
  5. Step 5: Solve for x
    x = 481,623,205.21/25,187.16
  6. Step 6: Final answer
    x = 19,121.77

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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.