Home / 11,104.48-15,314.08-7,372

Finding the Fourth Proportional to 11,104.48, 15,314.08 and 7,372

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Solution

The fourth proportional to 11,104.48, 15,314.08 and 7,372 is: 10,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.48 : 15,314.08 = 7,372 : x
  2. Step 2: Convert to fraction form
    11,104.48/15,314.08 = 7,372/x
  3. Step 3: Cross multiply
    11,104.48x = 15,314.08 × 7,372
  4. Step 4: Simplify right side
    11,104.48x = 112,895,397.76
  5. Step 5: Solve for x
    x = 112,895,397.76/11,104.48
  6. Step 6: Final answer
    x = 10,166.65

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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.