Home / 10,039.12-15,060.30-3,112

Finding the Fourth Proportional to 10,039.12, 15,060.30 and 3,112

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Solution

The fourth proportional to 10,039.12, 15,060.30 and 3,112 is: 4,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.12 : 15,060.30 = 3,112 : x
  2. Step 2: Convert to fraction form
    10,039.12/15,060.30 = 3,112/x
  3. Step 3: Cross multiply
    10,039.12x = 15,060.30 × 3,112
  4. Step 4: Simplify right side
    10,039.12x = 46,867,653.60
  5. Step 5: Solve for x
    x = 46,867,653.60/10,039.12
  6. Step 6: Final answer
    x = 4,668.50

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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.