Home / 10,480.98-15,726.12-4,245.45

Finding the Fourth Proportional to 10,480.98, 15,726.12 and 4,245.45

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Solution

The fourth proportional to 10,480.98, 15,726.12 and 4,245.45 is: 6,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.98 : 15,726.12 = 4,245.45 : x
  2. Step 2: Convert to fraction form
    10,480.98/15,726.12 = 4,245.45/x
  3. Step 3: Cross multiply
    10,480.98x = 15,726.12 × 4,245.45
  4. Step 4: Simplify right side
    10,480.98x = 66,764,456.15
  5. Step 5: Solve for x
    x = 66,764,456.15/10,480.98
  6. Step 6: Final answer
    x = 6,370.06

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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.