Home / 9,983.24-14,945.70-7,209.80

Finding the Fourth Proportional to 9,983.24, 14,945.70 and 7,209.80

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Solution

The fourth proportional to 9,983.24, 14,945.70 and 7,209.80 is: 10,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.24 : 14,945.70 = 7,209.80 : x
  2. Step 2: Convert to fraction form
    9,983.24/14,945.70 = 7,209.80/x
  3. Step 3: Cross multiply
    9,983.24x = 14,945.70 × 7,209.80
  4. Step 4: Simplify right side
    9,983.24x = 107,755,507.86
  5. Step 5: Solve for x
    x = 107,755,507.86/9,983.24
  6. Step 6: Final answer
    x = 10,793.64

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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.