Home / 10,965.78-16,434.36-9,575.82

Finding the Fourth Proportional to 10,965.78, 16,434.36 and 9,575.82

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Solution

The fourth proportional to 10,965.78, 16,434.36 and 9,575.82 is: 14,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.78 : 16,434.36 = 9,575.82 : x
  2. Step 2: Convert to fraction form
    10,965.78/16,434.36 = 9,575.82/x
  3. Step 3: Cross multiply
    10,965.78x = 16,434.36 × 9,575.82
  4. Step 4: Simplify right side
    10,965.78x = 157,372,473.18
  5. Step 5: Solve for x
    x = 157,372,473.18/10,965.78
  6. Step 6: Final answer
    x = 14,351.23

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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.