Home / 22,721.29-31,356.08-12,373.73

Finding the Fourth Proportional to 22,721.29, 31,356.08 and 12,373.73

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Solution

The fourth proportional to 22,721.29, 31,356.08 and 12,373.73 is: 17,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.29 : 31,356.08 = 12,373.73 : x
  2. Step 2: Convert to fraction form
    22,721.29/31,356.08 = 12,373.73/x
  3. Step 3: Cross multiply
    22,721.29x = 31,356.08 × 12,373.73
  4. Step 4: Simplify right side
    22,721.29x = 387,991,667.78
  5. Step 5: Solve for x
    x = 387,991,667.78/22,721.29
  6. Step 6: Final answer
    x = 17,076.13

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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.