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Finding the Fourth Proportional to 9,934.80, 14,910.30 and 9,610.80

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Solution

The fourth proportional to 9,934.80, 14,910.30 and 9,610.80 is: 14,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934.80 : 14,910.30 = 9,610.80 : x
  2. Step 2: Convert to fraction form
    9,934.80/14,910.30 = 9,610.80/x
  3. Step 3: Cross multiply
    9,934.80x = 14,910.30 × 9,610.80
  4. Step 4: Simplify right side
    9,934.80x = 143,299,911.24
  5. Step 5: Solve for x
    x = 143,299,911.24/9,934.80
  6. Step 6: Final answer
    x = 14,424.04

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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.