Home / 12,529.53-17,290.05-6,863.21

Finding the Fourth Proportional to 12,529.53, 17,290.05 and 6,863.21

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Solution

The fourth proportional to 12,529.53, 17,290.05 and 6,863.21 is: 9,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.53 : 17,290.05 = 6,863.21 : x
  2. Step 2: Convert to fraction form
    12,529.53/17,290.05 = 6,863.21/x
  3. Step 3: Cross multiply
    12,529.53x = 17,290.05 × 6,863.21
  4. Step 4: Simplify right side
    12,529.53x = 118,665,254.62
  5. Step 5: Solve for x
    x = 118,665,254.62/12,529.53
  6. Step 6: Final answer
    x = 9,470.85

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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.