Home / 12,726.11-19,064.33-8,330.24

Finding the Fourth Proportional to 12,726.11, 19,064.33 and 8,330.24

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Solution

The fourth proportional to 12,726.11, 19,064.33 and 8,330.24 is: 12,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.11 : 19,064.33 = 8,330.24 : x
  2. Step 2: Convert to fraction form
    12,726.11/19,064.33 = 8,330.24/x
  3. Step 3: Cross multiply
    12,726.11x = 19,064.33 × 8,330.24
  4. Step 4: Simplify right side
    12,726.11x = 158,810,481.59
  5. Step 5: Solve for x
    x = 158,810,481.59/12,726.11
  6. Step 6: Final answer
    x = 12,479.10

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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.