Home / 11,521.82-17,275.10-4,502.51

Finding the Fourth Proportional to 11,521.82, 17,275.10 and 4,502.51

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Solution

The fourth proportional to 11,521.82, 17,275.10 and 4,502.51 is: 6,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.82 : 17,275.10 = 4,502.51 : x
  2. Step 2: Convert to fraction form
    11,521.82/17,275.10 = 4,502.51/x
  3. Step 3: Cross multiply
    11,521.82x = 17,275.10 × 4,502.51
  4. Step 4: Simplify right side
    11,521.82x = 77,781,327.64
  5. Step 5: Solve for x
    x = 77,781,327.64/11,521.82
  6. Step 6: Final answer
    x = 6,750.79

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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.