Home / 10,159.36-15,231.72-4,609.92

Finding the Fourth Proportional to 10,159.36, 15,231.72 and 4,609.92

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Solution

The fourth proportional to 10,159.36, 15,231.72 and 4,609.92 is: 6,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.36 : 15,231.72 = 4,609.92 : x
  2. Step 2: Convert to fraction form
    10,159.36/15,231.72 = 4,609.92/x
  3. Step 3: Cross multiply
    10,159.36x = 15,231.72 × 4,609.92
  4. Step 4: Simplify right side
    10,159.36x = 70,217,010.66
  5. Step 5: Solve for x
    x = 70,217,010.66/10,159.36
  6. Step 6: Final answer
    x = 6,911.56

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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.