Home / 10,707.40-16,062.30-3,311.80

Finding the Fourth Proportional to 10,707.40, 16,062.30 and 3,311.80

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Solution

The fourth proportional to 10,707.40, 16,062.30 and 3,311.80 is: 4,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.40 : 16,062.30 = 3,311.80 : x
  2. Step 2: Convert to fraction form
    10,707.40/16,062.30 = 3,311.80/x
  3. Step 3: Cross multiply
    10,707.40x = 16,062.30 × 3,311.80
  4. Step 4: Simplify right side
    10,707.40x = 53,195,125.14
  5. Step 5: Solve for x
    x = 53,195,125.14/10,707.40
  6. Step 6: Final answer
    x = 4,968.07

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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.