Home / 15,181.96-22,759.26-7,279.72

Finding the Fourth Proportional to 15,181.96, 22,759.26 and 7,279.72

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Solution

The fourth proportional to 15,181.96, 22,759.26 and 7,279.72 is: 10,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.96 : 22,759.26 = 7,279.72 : x
  2. Step 2: Convert to fraction form
    15,181.96/22,759.26 = 7,279.72/x
  3. Step 3: Cross multiply
    15,181.96x = 22,759.26 × 7,279.72
  4. Step 4: Simplify right side
    15,181.96x = 165,681,040.21
  5. Step 5: Solve for x
    x = 165,681,040.21/15,181.96
  6. Step 6: Final answer
    x = 10,913.02

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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.