Home / 10,261.80-15,390.72-3,334.68

Finding the Fourth Proportional to 10,261.80, 15,390.72 and 3,334.68

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Solution

The fourth proportional to 10,261.80, 15,390.72 and 3,334.68 is: 5,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.80 : 15,390.72 = 3,334.68 : x
  2. Step 2: Convert to fraction form
    10,261.80/15,390.72 = 3,334.68/x
  3. Step 3: Cross multiply
    10,261.80x = 15,390.72 × 3,334.68
  4. Step 4: Simplify right side
    10,261.80x = 51,323,126.17
  5. Step 5: Solve for x
    x = 51,323,126.17/10,261.80
  6. Step 6: Final answer
    x = 5,001.38

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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.