Home / 10,645.89-14,691.24-6,169.54

Finding the Fourth Proportional to 10,645.89, 14,691.24 and 6,169.54

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Solution

The fourth proportional to 10,645.89, 14,691.24 and 6,169.54 is: 8,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.89 : 14,691.24 = 6,169.54 : x
  2. Step 2: Convert to fraction form
    10,645.89/14,691.24 = 6,169.54/x
  3. Step 3: Cross multiply
    10,645.89x = 14,691.24 × 6,169.54
  4. Step 4: Simplify right side
    10,645.89x = 90,638,192.83
  5. Step 5: Solve for x
    x = 90,638,192.83/10,645.89
  6. Step 6: Final answer
    x = 8,513.91

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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.