Home / 12,484.92-17,229.31-6,819.57

Finding the Fourth Proportional to 12,484.92, 17,229.31 and 6,819.57

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Solution

The fourth proportional to 12,484.92, 17,229.31 and 6,819.57 is: 9,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.92 : 17,229.31 = 6,819.57 : x
  2. Step 2: Convert to fraction form
    12,484.92/17,229.31 = 6,819.57/x
  3. Step 3: Cross multiply
    12,484.92x = 17,229.31 × 6,819.57
  4. Step 4: Simplify right side
    12,484.92x = 117,496,420.09
  5. Step 5: Solve for x
    x = 117,496,420.09/12,484.92
  6. Step 6: Final answer
    x = 9,411.07

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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.