Home / 10,427.13-15,635.97-6,478.25

Finding the Fourth Proportional to 10,427.13, 15,635.97 and 6,478.25

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Solution

The fourth proportional to 10,427.13, 15,635.97 and 6,478.25 is: 9,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.13 : 15,635.97 = 6,478.25 : x
  2. Step 2: Convert to fraction form
    10,427.13/15,635.97 = 6,478.25/x
  3. Step 3: Cross multiply
    10,427.13x = 15,635.97 × 6,478.25
  4. Step 4: Simplify right side
    10,427.13x = 101,293,644.47
  5. Step 5: Solve for x
    x = 101,293,644.47/10,427.13
  6. Step 6: Final answer
    x = 9,714.43

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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.