Home / 10,235.80-15,321.30-8,032.60

Finding the Fourth Proportional to 10,235.80, 15,321.30 and 8,032.60

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Solution

The fourth proportional to 10,235.80, 15,321.30 and 8,032.60 is: 12,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.80 : 15,321.30 = 8,032.60 : x
  2. Step 2: Convert to fraction form
    10,235.80/15,321.30 = 8,032.60/x
  3. Step 3: Cross multiply
    10,235.80x = 15,321.30 × 8,032.60
  4. Step 4: Simplify right side
    10,235.80x = 123,069,874.38
  5. Step 5: Solve for x
    x = 123,069,874.38/10,235.80
  6. Step 6: Final answer
    x = 12,023.47

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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.