Home / 10,370.82-15,546.88-7,040.20

Finding the Fourth Proportional to 10,370.82, 15,546.88 and 7,040.20

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Solution

The fourth proportional to 10,370.82, 15,546.88 and 7,040.20 is: 10,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.82 : 15,546.88 = 7,040.20 : x
  2. Step 2: Convert to fraction form
    10,370.82/15,546.88 = 7,040.20/x
  3. Step 3: Cross multiply
    10,370.82x = 15,546.88 × 7,040.20
  4. Step 4: Simplify right side
    10,370.82x = 109,453,144.58
  5. Step 5: Solve for x
    x = 109,453,144.58/10,370.82
  6. Step 6: Final answer
    x = 10,553.95

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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.