Home / 10,031.08-15,047.46-3,454.60

Finding the Fourth Proportional to 10,031.08, 15,047.46 and 3,454.60

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Solution

The fourth proportional to 10,031.08, 15,047.46 and 3,454.60 is: 5,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.08 : 15,047.46 = 3,454.60 : x
  2. Step 2: Convert to fraction form
    10,031.08/15,047.46 = 3,454.60/x
  3. Step 3: Cross multiply
    10,031.08x = 15,047.46 × 3,454.60
  4. Step 4: Simplify right side
    10,031.08x = 51,982,955.32
  5. Step 5: Solve for x
    x = 51,982,955.32/10,031.08
  6. Step 6: Final answer
    x = 5,182.19

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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.