Home / 18,988.26-26,209.35-11,034.06

Finding the Fourth Proportional to 18,988.26, 26,209.35 and 11,034.06

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Solution

The fourth proportional to 18,988.26, 26,209.35 and 11,034.06 is: 15,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.26 : 26,209.35 = 11,034.06 : x
  2. Step 2: Convert to fraction form
    18,988.26/26,209.35 = 11,034.06/x
  3. Step 3: Cross multiply
    18,988.26x = 26,209.35 × 11,034.06
  4. Step 4: Simplify right side
    18,988.26x = 289,195,540.46
  5. Step 5: Solve for x
    x = 289,195,540.46/18,988.26
  6. Step 6: Final answer
    x = 15,230.23

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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.