Home / 10,965.09-16,447.79-3,569.59

Finding the Fourth Proportional to 10,965.09, 16,447.79 and 3,569.59

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Solution

The fourth proportional to 10,965.09, 16,447.79 and 3,569.59 is: 5,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.09 : 16,447.79 = 3,569.59 : x
  2. Step 2: Convert to fraction form
    10,965.09/16,447.79 = 3,569.59/x
  3. Step 3: Cross multiply
    10,965.09x = 16,447.79 × 3,569.59
  4. Step 4: Simplify right side
    10,965.09x = 58,711,866.71
  5. Step 5: Solve for x
    x = 58,711,866.71/10,965.09
  6. Step 6: Final answer
    x = 5,354.44

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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.