Home / 10,427.72-15,645.42-4,882.86

Finding the Fourth Proportional to 10,427.72, 15,645.42 and 4,882.86

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Solution

The fourth proportional to 10,427.72, 15,645.42 and 4,882.86 is: 7,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.72 : 15,645.42 = 4,882.86 : x
  2. Step 2: Convert to fraction form
    10,427.72/15,645.42 = 4,882.86/x
  3. Step 3: Cross multiply
    10,427.72x = 15,645.42 × 4,882.86
  4. Step 4: Simplify right side
    10,427.72x = 76,394,395.50
  5. Step 5: Solve for x
    x = 76,394,395.50/10,427.72
  6. Step 6: Final answer
    x = 7,326.09

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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.