Home / 18,967.68-26,170.92-11,008.53

Finding the Fourth Proportional to 18,967.68, 26,170.92 and 11,008.53

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Solution

The fourth proportional to 18,967.68, 26,170.92 and 11,008.53 is: 15,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.68 : 26,170.92 = 11,008.53 : x
  2. Step 2: Convert to fraction form
    18,967.68/26,170.92 = 11,008.53/x
  3. Step 3: Cross multiply
    18,967.68x = 26,170.92 × 11,008.53
  4. Step 4: Simplify right side
    18,967.68x = 288,103,357.95
  5. Step 5: Solve for x
    x = 288,103,357.95/18,967.68
  6. Step 6: Final answer
    x = 15,189.17

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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.