Home / 12,132.18-18,187.46-4,734.93

Finding the Fourth Proportional to 12,132.18, 18,187.46 and 4,734.93

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Solution

The fourth proportional to 12,132.18, 18,187.46 and 4,734.93 is: 7,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.18 : 18,187.46 = 4,734.93 : x
  2. Step 2: Convert to fraction form
    12,132.18/18,187.46 = 4,734.93/x
  3. Step 3: Cross multiply
    12,132.18x = 18,187.46 × 4,734.93
  4. Step 4: Simplify right side
    12,132.18x = 86,116,326.30
  5. Step 5: Solve for x
    x = 86,116,326.30/12,132.18
  6. Step 6: Final answer
    x = 7,098.17

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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.