Home / 11,376.30-17,043.66-8,248.56

Finding the Fourth Proportional to 11,376.30, 17,043.66 and 8,248.56

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Solution

The fourth proportional to 11,376.30, 17,043.66 and 8,248.56 is: 12,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.30 : 17,043.66 = 8,248.56 : x
  2. Step 2: Convert to fraction form
    11,376.30/17,043.66 = 8,248.56/x
  3. Step 3: Cross multiply
    11,376.30x = 17,043.66 × 8,248.56
  4. Step 4: Simplify right side
    11,376.30x = 140,585,652.13
  5. Step 5: Solve for x
    x = 140,585,652.13/11,376.30
  6. Step 6: Final answer
    x = 12,357.77

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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.