Home / 10,021.11-15,031.66-3,447.35

Finding the Fourth Proportional to 10,021.11, 15,031.66 and 3,447.35

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Solution

The fourth proportional to 10,021.11, 15,031.66 and 3,447.35 is: 5,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.11 : 15,031.66 = 3,447.35 : x
  2. Step 2: Convert to fraction form
    10,021.11/15,031.66 = 3,447.35/x
  3. Step 3: Cross multiply
    10,021.11x = 15,031.66 × 3,447.35
  4. Step 4: Simplify right side
    10,021.11x = 51,819,393.10
  5. Step 5: Solve for x
    x = 51,819,393.10/10,021.11
  6. Step 6: Final answer
    x = 5,171.02

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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.