Home / 9,966.87-14,949.87-3,393.12

Finding the Fourth Proportional to 9,966.87, 14,949.87 and 3,393.12

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Solution

The fourth proportional to 9,966.87, 14,949.87 and 3,393.12 is: 5,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.87 : 14,949.87 = 3,393.12 : x
  2. Step 2: Convert to fraction form
    9,966.87/14,949.87 = 3,393.12/x
  3. Step 3: Cross multiply
    9,966.87x = 14,949.87 × 3,393.12
  4. Step 4: Simplify right side
    9,966.87x = 50,726,702.89
  5. Step 5: Solve for x
    x = 50,726,702.89/9,966.87
  6. Step 6: Final answer
    x = 5,089.53

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1.5x scale

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.