Home / 12,738.26-19,117.92-6,502.88

Finding the Fourth Proportional to 12,738.26, 19,117.92 and 6,502.88

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Solution

The fourth proportional to 12,738.26, 19,117.92 and 6,502.88 is: 9,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.26 : 19,117.92 = 6,502.88 : x
  2. Step 2: Convert to fraction form
    12,738.26/19,117.92 = 6,502.88/x
  3. Step 3: Cross multiply
    12,738.26x = 19,117.92 × 6,502.88
  4. Step 4: Simplify right side
    12,738.26x = 124,321,539.61
  5. Step 5: Solve for x
    x = 124,321,539.61/12,738.26
  6. Step 6: Final answer
    x = 9,759.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.