Home / 8,819.24-13,231.32-7,191.16

Finding the Fourth Proportional to 8,819.24, 13,231.32 and 7,191.16

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Solution

The fourth proportional to 8,819.24, 13,231.32 and 7,191.16 is: 10,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.24 : 13,231.32 = 7,191.16 : x
  2. Step 2: Convert to fraction form
    8,819.24/13,231.32 = 7,191.16/x
  3. Step 3: Cross multiply
    8,819.24x = 13,231.32 × 7,191.16
  4. Step 4: Simplify right side
    8,819.24x = 95,148,539.13
  5. Step 5: Solve for x
    x = 95,148,539.13/8,819.24
  6. Step 6: Final answer
    x = 10,788.75

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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.