Home / 15,186.12-22,774.68-5,323.56

Finding the Fourth Proportional to 15,186.12, 22,774.68 and 5,323.56

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Solution

The fourth proportional to 15,186.12, 22,774.68 and 5,323.56 is: 7,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.12 : 22,774.68 = 5,323.56 : x
  2. Step 2: Convert to fraction form
    15,186.12/22,774.68 = 5,323.56/x
  3. Step 3: Cross multiply
    15,186.12x = 22,774.68 × 5,323.56
  4. Step 4: Simplify right side
    15,186.12x = 121,242,375.46
  5. Step 5: Solve for x
    x = 121,242,375.46/15,186.12
  6. Step 6: Final answer
    x = 7,983.76

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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.