Home / 13,575.70-18,743.21-11,063.82

Finding the Fourth Proportional to 13,575.70, 18,743.21 and 11,063.82

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Solution

The fourth proportional to 13,575.70, 18,743.21 and 11,063.82 is: 15,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.70 : 18,743.21 = 11,063.82 : x
  2. Step 2: Convert to fraction form
    13,575.70/18,743.21 = 11,063.82/x
  3. Step 3: Cross multiply
    13,575.70x = 18,743.21 × 11,063.82
  4. Step 4: Simplify right side
    13,575.70x = 207,371,501.66
  5. Step 5: Solve for x
    x = 207,371,501.66/13,575.70
  6. Step 6: Final answer
    x = 15,275.20

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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.