Home / 11,849.40-17,775.18-8,767.62

Finding the Fourth Proportional to 11,849.40, 17,775.18 and 8,767.62

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Solution

The fourth proportional to 11,849.40, 17,775.18 and 8,767.62 is: 13,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.40 : 17,775.18 = 8,767.62 : x
  2. Step 2: Convert to fraction form
    11,849.40/17,775.18 = 8,767.62/x
  3. Step 3: Cross multiply
    11,849.40x = 17,775.18 × 8,767.62
  4. Step 4: Simplify right side
    11,849.40x = 155,846,023.67
  5. Step 5: Solve for x
    x = 155,846,023.67/11,849.40
  6. Step 6: Final answer
    x = 13,152.23

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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.