Home / 10,200.44-15,294.28-4,275.72

Finding the Fourth Proportional to 10,200.44, 15,294.28 and 4,275.72

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Solution

The fourth proportional to 10,200.44, 15,294.28 and 4,275.72 is: 6,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.44 : 15,294.28 = 4,275.72 : x
  2. Step 2: Convert to fraction form
    10,200.44/15,294.28 = 4,275.72/x
  3. Step 3: Cross multiply
    10,200.44x = 15,294.28 × 4,275.72
  4. Step 4: Simplify right side
    10,200.44x = 65,394,058.88
  5. Step 5: Solve for x
    x = 65,394,058.88/10,200.44
  6. Step 6: Final answer
    x = 6,410.91

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1.5x scale

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.