Home / 22,371.93-30,873.32-12,811.97

Finding the Fourth Proportional to 22,371.93, 30,873.32 and 12,811.97

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Solution

The fourth proportional to 22,371.93, 30,873.32 and 12,811.97 is: 17,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.93 : 30,873.32 = 12,811.97 : x
  2. Step 2: Convert to fraction form
    22,371.93/30,873.32 = 12,811.97/x
  3. Step 3: Cross multiply
    22,371.93x = 30,873.32 × 12,811.97
  4. Step 4: Simplify right side
    22,371.93x = 395,547,927.30
  5. Step 5: Solve for x
    x = 395,547,927.30/22,371.93
  6. Step 6: Final answer
    x = 17,680.55

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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.