Home / 22,712.13-34,030.40-7,912.89

Finding the Fourth Proportional to 22,712.13, 34,030.40 and 7,912.89

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Solution

The fourth proportional to 22,712.13, 34,030.40 and 7,912.89 is: 11,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.13 : 34,030.40 = 7,912.89 : x
  2. Step 2: Convert to fraction form
    22,712.13/34,030.40 = 7,912.89/x
  3. Step 3: Cross multiply
    22,712.13x = 34,030.40 × 7,912.89
  4. Step 4: Simplify right side
    22,712.13x = 269,278,772.29
  5. Step 5: Solve for x
    x = 269,278,772.29/22,712.13
  6. Step 6: Final answer
    x = 11,856.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.