Home / 20,805.12-31,201.52-6,014.20

Finding the Fourth Proportional to 20,805.12, 31,201.52 and 6,014.20

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Solution

The fourth proportional to 20,805.12, 31,201.52 and 6,014.20 is: 9,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,805.12 : 31,201.52 = 6,014.20 : x
  2. Step 2: Convert to fraction form
    20,805.12/31,201.52 = 6,014.20/x
  3. Step 3: Cross multiply
    20,805.12x = 31,201.52 × 6,014.20
  4. Step 4: Simplify right side
    20,805.12x = 187,652,181.58
  5. Step 5: Solve for x
    x = 187,652,181.58/20,805.12
  6. Step 6: Final answer
    x = 9,019.52

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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.