Home / 9,966.30-14,951.07-3,391.80

Finding the Fourth Proportional to 9,966.30, 14,951.07 and 3,391.80

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Solution

The fourth proportional to 9,966.30, 14,951.07 and 3,391.80 is: 5,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.30 : 14,951.07 = 3,391.80 : x
  2. Step 2: Convert to fraction form
    9,966.30/14,951.07 = 3,391.80/x
  3. Step 3: Cross multiply
    9,966.30x = 14,951.07 × 3,391.80
  4. Step 4: Simplify right side
    9,966.30x = 50,711,039.23
  5. Step 5: Solve for x
    x = 50,711,039.23/9,966.30
  6. Step 6: Final answer
    x = 5,088.25

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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.