Home / 18,186.24-27,279.36-15,713.58

Finding the Fourth Proportional to 18,186.24, 27,279.36 and 15,713.58

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Solution

The fourth proportional to 18,186.24, 27,279.36 and 15,713.58 is: 23,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.24 : 27,279.36 = 15,713.58 : x
  2. Step 2: Convert to fraction form
    18,186.24/27,279.36 = 15,713.58/x
  3. Step 3: Cross multiply
    18,186.24x = 27,279.36 × 15,713.58
  4. Step 4: Simplify right side
    18,186.24x = 428,656,405.71
  5. Step 5: Solve for x
    x = 428,656,405.71/18,186.24
  6. Step 6: Final answer
    x = 23,570.37

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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.