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Finding the Fourth Proportional to 22,398.51, 30,909.95 and 12,326.95

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Solution

The fourth proportional to 22,398.51, 30,909.95 and 12,326.95 is: 17,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.51 : 30,909.95 = 12,326.95 : x
  2. Step 2: Convert to fraction form
    22,398.51/30,909.95 = 12,326.95/x
  3. Step 3: Cross multiply
    22,398.51x = 30,909.95 × 12,326.95
  4. Step 4: Simplify right side
    22,398.51x = 381,025,408.15
  5. Step 5: Solve for x
    x = 381,025,408.15/22,398.51
  6. Step 6: Final answer
    x = 17,011.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.