Home / 21,656.06-32,485.30-6,074.90

Finding the Fourth Proportional to 21,656.06, 32,485.30 and 6,074.90

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Solution

The fourth proportional to 21,656.06, 32,485.30 and 6,074.90 is: 9,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.06 : 32,485.30 = 6,074.90 : x
  2. Step 2: Convert to fraction form
    21,656.06/32,485.30 = 6,074.90/x
  3. Step 3: Cross multiply
    21,656.06x = 32,485.30 × 6,074.90
  4. Step 4: Simplify right side
    21,656.06x = 197,344,948.97
  5. Step 5: Solve for x
    x = 197,344,948.97/21,656.06
  6. Step 6: Final answer
    x = 9,112.69

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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.