Home / 10,016.38-15,031.95-4,751.41

Finding the Fourth Proportional to 10,016.38, 15,031.95 and 4,751.41

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Solution

The fourth proportional to 10,016.38, 15,031.95 and 4,751.41 is: 7,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.38 : 15,031.95 = 4,751.41 : x
  2. Step 2: Convert to fraction form
    10,016.38/15,031.95 = 4,751.41/x
  3. Step 3: Cross multiply
    10,016.38x = 15,031.95 × 4,751.41
  4. Step 4: Simplify right side
    10,016.38x = 71,422,937.79
  5. Step 5: Solve for x
    x = 71,422,937.79/10,016.38
  6. Step 6: Final answer
    x = 7,130.61

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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.