Home / 9,960.30-14,942.07-3,385.80

Finding the Fourth Proportional to 9,960.30, 14,942.07 and 3,385.80

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Solution

The fourth proportional to 9,960.30, 14,942.07 and 3,385.80 is: 5,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.30 : 14,942.07 = 3,385.80 : x
  2. Step 2: Convert to fraction form
    9,960.30/14,942.07 = 3,385.80/x
  3. Step 3: Cross multiply
    9,960.30x = 14,942.07 × 3,385.80
  4. Step 4: Simplify right side
    9,960.30x = 50,590,860.61
  5. Step 5: Solve for x
    x = 50,590,860.61/9,960.30
  6. Step 6: Final answer
    x = 5,079.25

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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.