Home / 10,965.16-16,447.74-3,946.11

Finding the Fourth Proportional to 10,965.16, 16,447.74 and 3,946.11

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Solution

The fourth proportional to 10,965.16, 16,447.74 and 3,946.11 is: 5,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.16 : 16,447.74 = 3,946.11 : x
  2. Step 2: Convert to fraction form
    10,965.16/16,447.74 = 3,946.11/x
  3. Step 3: Cross multiply
    10,965.16x = 16,447.74 × 3,946.11
  4. Step 4: Simplify right side
    10,965.16x = 64,904,591.29
  5. Step 5: Solve for x
    x = 64,904,591.29/10,965.16
  6. Step 6: Final answer
    x = 5,919.17

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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.