Home / 18,912.07-26,101.82-10,959.13

Finding the Fourth Proportional to 18,912.07, 26,101.82 and 10,959.13

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Solution

The fourth proportional to 18,912.07, 26,101.82 and 10,959.13 is: 15,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.07 : 26,101.82 = 10,959.13 : x
  2. Step 2: Convert to fraction form
    18,912.07/26,101.82 = 10,959.13/x
  3. Step 3: Cross multiply
    18,912.07x = 26,101.82 × 10,959.13
  4. Step 4: Simplify right side
    18,912.07x = 286,053,238.62
  5. Step 5: Solve for x
    x = 286,053,238.62/18,912.07
  6. Step 6: Final answer
    x = 15,125.43

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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.