Home / 10,708.45-16,062.68-3,312.74

Finding the Fourth Proportional to 10,708.45, 16,062.68 and 3,312.74

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Solution

The fourth proportional to 10,708.45, 16,062.68 and 3,312.74 is: 4,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.45 : 16,062.68 = 3,312.74 : x
  2. Step 2: Convert to fraction form
    10,708.45/16,062.68 = 3,312.74/x
  3. Step 3: Cross multiply
    10,708.45x = 16,062.68 × 3,312.74
  4. Step 4: Simplify right side
    10,708.45x = 53,211,530.98
  5. Step 5: Solve for x
    x = 53,211,530.98/10,708.45
  6. Step 6: Final answer
    x = 4,969.12

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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.