Home / 25,454.10-38,174.32-10,659.99

Finding the Fourth Proportional to 25,454.10, 38,174.32 and 10,659.99

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Solution

The fourth proportional to 25,454.10, 38,174.32 and 10,659.99 is: 15,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.10 : 38,174.32 = 10,659.99 : x
  2. Step 2: Convert to fraction form
    25,454.10/38,174.32 = 10,659.99/x
  3. Step 3: Cross multiply
    25,454.10x = 38,174.32 × 10,659.99
  4. Step 4: Simplify right side
    25,454.10x = 406,937,869.46
  5. Step 5: Solve for x
    x = 406,937,869.46/25,454.10
  6. Step 6: Final answer
    x = 15,987.12

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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.