Home / 12,726.86-19,103.25-9,033.26

Finding the Fourth Proportional to 12,726.86, 19,103.25 and 9,033.26

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Solution

The fourth proportional to 12,726.86, 19,103.25 and 9,033.26 is: 13,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.86 : 19,103.25 = 9,033.26 : x
  2. Step 2: Convert to fraction form
    12,726.86/19,103.25 = 9,033.26/x
  3. Step 3: Cross multiply
    12,726.86x = 19,103.25 × 9,033.26
  4. Step 4: Simplify right side
    12,726.86x = 172,564,624.10
  5. Step 5: Solve for x
    x = 172,564,624.10/12,726.86
  6. Step 6: Final answer
    x = 13,559.09

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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.