Home / 15,989.04-23,990.96-8,203.28

Finding the Fourth Proportional to 15,989.04, 23,990.96 and 8,203.28

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Solution

The fourth proportional to 15,989.04, 23,990.96 and 8,203.28 is: 12,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.04 : 23,990.96 = 8,203.28 : x
  2. Step 2: Convert to fraction form
    15,989.04/23,990.96 = 8,203.28/x
  3. Step 3: Cross multiply
    15,989.04x = 23,990.96 × 8,203.28
  4. Step 4: Simplify right side
    15,989.04x = 196,804,562.35
  5. Step 5: Solve for x
    x = 196,804,562.35/15,989.04
  6. Step 6: Final answer
    x = 12,308.72

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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.