Home / 10,422.54-15,633.36-3,026.84

Finding the Fourth Proportional to 10,422.54, 15,633.36 and 3,026.84

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Solution

The fourth proportional to 10,422.54, 15,633.36 and 3,026.84 is: 4,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.54 : 15,633.36 = 3,026.84 : x
  2. Step 2: Convert to fraction form
    10,422.54/15,633.36 = 3,026.84/x
  3. Step 3: Cross multiply
    10,422.54x = 15,633.36 × 3,026.84
  4. Step 4: Simplify right side
    10,422.54x = 47,319,679.38
  5. Step 5: Solve for x
    x = 47,319,679.38/10,422.54
  6. Step 6: Final answer
    x = 4,540.13

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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.