Home / 11,098.16-15,305.31-8,675.84

Finding the Fourth Proportional to 11,098.16, 15,305.31 and 8,675.84

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Solution

The fourth proportional to 11,098.16, 15,305.31 and 8,675.84 is: 11,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.16 : 15,305.31 = 8,675.84 : x
  2. Step 2: Convert to fraction form
    11,098.16/15,305.31 = 8,675.84/x
  3. Step 3: Cross multiply
    11,098.16x = 15,305.31 × 8,675.84
  4. Step 4: Simplify right side
    11,098.16x = 132,786,420.71
  5. Step 5: Solve for x
    x = 132,786,420.71/11,098.16
  6. Step 6: Final answer
    x = 11,964.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.