Home / 10,324.29-14,239.60-6,961.78

Finding the Fourth Proportional to 10,324.29, 14,239.60 and 6,961.78

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Solution

The fourth proportional to 10,324.29, 14,239.60 and 6,961.78 is: 9,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.29 : 14,239.60 = 6,961.78 : x
  2. Step 2: Convert to fraction form
    10,324.29/14,239.60 = 6,961.78/x
  3. Step 3: Cross multiply
    10,324.29x = 14,239.60 × 6,961.78
  4. Step 4: Simplify right side
    10,324.29x = 99,132,962.88
  5. Step 5: Solve for x
    x = 99,132,962.88/10,324.29
  6. Step 6: Final answer
    x = 9,601.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.