Home / 22,719.29-31,353.32-12,371.73

Finding the Fourth Proportional to 22,719.29, 31,353.32 and 12,371.73

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Solution

The fourth proportional to 22,719.29, 31,353.32 and 12,371.73 is: 17,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.29 : 31,353.32 = 12,371.73 : x
  2. Step 2: Convert to fraction form
    22,719.29/31,353.32 = 12,371.73/x
  3. Step 3: Cross multiply
    22,719.29x = 31,353.32 × 12,371.73
  4. Step 4: Simplify right side
    22,719.29x = 387,894,652.88
  5. Step 5: Solve for x
    x = 387,894,652.88/22,719.29
  6. Step 6: Final answer
    x = 17,073.36

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1.5x scale

Why These Related Problems?

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