Home / 10,509.11-15,750.04-4,261.83

Finding the Fourth Proportional to 10,509.11, 15,750.04 and 4,261.83

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Solution

The fourth proportional to 10,509.11, 15,750.04 and 4,261.83 is: 6,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.11 : 15,750.04 = 4,261.83 : x
  2. Step 2: Convert to fraction form
    10,509.11/15,750.04 = 4,261.83/x
  3. Step 3: Cross multiply
    10,509.11x = 15,750.04 × 4,261.83
  4. Step 4: Simplify right side
    10,509.11x = 67,123,992.97
  5. Step 5: Solve for x
    x = 67,123,992.97/10,509.11
  6. Step 6: Final answer
    x = 6,387.22

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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.