Home / 9,966.75-14,959.35-5,039.85

Finding the Fourth Proportional to 9,966.75, 14,959.35 and 5,039.85

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Solution

The fourth proportional to 9,966.75, 14,959.35 and 5,039.85 is: 7,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.75 : 14,959.35 = 5,039.85 : x
  2. Step 2: Convert to fraction form
    9,966.75/14,959.35 = 5,039.85/x
  3. Step 3: Cross multiply
    9,966.75x = 14,959.35 × 5,039.85
  4. Step 4: Simplify right side
    9,966.75x = 75,392,880.10
  5. Step 5: Solve for x
    x = 75,392,880.10/9,966.75
  6. Step 6: Final answer
    x = 7,564.44

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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.