Home / 25,454.61-38,166.57-11,412.09

Finding the Fourth Proportional to 25,454.61, 38,166.57 and 11,412.09

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Solution

The fourth proportional to 25,454.61, 38,166.57 and 11,412.09 is: 17,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.61 : 38,166.57 = 11,412.09 : x
  2. Step 2: Convert to fraction form
    25,454.61/38,166.57 = 11,412.09/x
  3. Step 3: Cross multiply
    25,454.61x = 38,166.57 × 11,412.09
  4. Step 4: Simplify right side
    25,454.61x = 435,560,331.83
  5. Step 5: Solve for x
    x = 435,560,331.83/25,454.61
  6. Step 6: Final answer
    x = 17,111.26

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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.