Home / 12,529.03-17,290.08-6,863.66

Finding the Fourth Proportional to 12,529.03, 17,290.08 and 6,863.66

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Solution

The fourth proportional to 12,529.03, 17,290.08 and 6,863.66 is: 9,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.03 : 17,290.08 = 6,863.66 : x
  2. Step 2: Convert to fraction form
    12,529.03/17,290.08 = 6,863.66/x
  3. Step 3: Cross multiply
    12,529.03x = 17,290.08 × 6,863.66
  4. Step 4: Simplify right side
    12,529.03x = 118,673,161.20
  5. Step 5: Solve for x
    x = 118,673,161.20/12,529.03
  6. Step 6: Final answer
    x = 9,471.86

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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.