Home / 9,966.11-14,948.75-4,121.15

Finding the Fourth Proportional to 9,966.11, 14,948.75 and 4,121.15

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Solution

The fourth proportional to 9,966.11, 14,948.75 and 4,121.15 is: 6,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.11 : 14,948.75 = 4,121.15 : x
  2. Step 2: Convert to fraction form
    9,966.11/14,948.75 = 4,121.15/x
  3. Step 3: Cross multiply
    9,966.11x = 14,948.75 × 4,121.15
  4. Step 4: Simplify right side
    9,966.11x = 61,605,976.62
  5. Step 5: Solve for x
    x = 61,605,976.62/9,966.11
  6. Step 6: Final answer
    x = 6,181.55

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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.