Home / 22,554.33-31,122.54-12,481.17

Finding the Fourth Proportional to 22,554.33, 31,122.54 and 12,481.17

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Solution

The fourth proportional to 22,554.33, 31,122.54 and 12,481.17 is: 17,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.33 : 31,122.54 = 12,481.17 : x
  2. Step 2: Convert to fraction form
    22,554.33/31,122.54 = 12,481.17/x
  3. Step 3: Cross multiply
    22,554.33x = 31,122.54 × 12,481.17
  4. Step 4: Simplify right side
    22,554.33x = 388,445,712.57
  5. Step 5: Solve for x
    x = 388,445,712.57/22,554.33
  6. Step 6: Final answer
    x = 17,222.67

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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.