Home / 15,335.04-21,170.88-9,744

Finding the Fourth Proportional to 15,335.04, 21,170.88 and 9,744

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Solution

The fourth proportional to 15,335.04, 21,170.88 and 9,744 is: 13,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.04 : 21,170.88 = 9,744 : x
  2. Step 2: Convert to fraction form
    15,335.04/21,170.88 = 9,744/x
  3. Step 3: Cross multiply
    15,335.04x = 21,170.88 × 9,744
  4. Step 4: Simplify right side
    15,335.04x = 206,289,054.72
  5. Step 5: Solve for x
    x = 206,289,054.72/15,335.04
  6. Step 6: Final answer
    x = 13,452.14

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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.