Home / 18,766.25-25,853.59-13,090.88

Finding the Fourth Proportional to 18,766.25, 25,853.59 and 13,090.88

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Solution

The fourth proportional to 18,766.25, 25,853.59 and 13,090.88 is: 18,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.25 : 25,853.59 = 13,090.88 : x
  2. Step 2: Convert to fraction form
    18,766.25/25,853.59 = 13,090.88/x
  3. Step 3: Cross multiply
    18,766.25x = 25,853.59 × 13,090.88
  4. Step 4: Simplify right side
    18,766.25x = 338,446,244.26
  5. Step 5: Solve for x
    x = 338,446,244.26/18,766.25
  6. Step 6: Final answer
    x = 18,034.84

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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.