Home / 12,726.34-19,085.84-4,406.02

Finding the Fourth Proportional to 12,726.34, 19,085.84 and 4,406.02

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Solution

The fourth proportional to 12,726.34, 19,085.84 and 4,406.02 is: 6,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.34 : 19,085.84 = 4,406.02 : x
  2. Step 2: Convert to fraction form
    12,726.34/19,085.84 = 4,406.02/x
  3. Step 3: Cross multiply
    12,726.34x = 19,085.84 × 4,406.02
  4. Step 4: Simplify right side
    12,726.34x = 84,092,570.73
  5. Step 5: Solve for x
    x = 84,092,570.73/12,726.34
  6. Step 6: Final answer
    x = 6,607.76

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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.