Home / 22,712.68-34,071.29-8,684.51

Finding the Fourth Proportional to 22,712.68, 34,071.29 and 8,684.51

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Solution

The fourth proportional to 22,712.68, 34,071.29 and 8,684.51 is: 13,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.68 : 34,071.29 = 8,684.51 : x
  2. Step 2: Convert to fraction form
    22,712.68/34,071.29 = 8,684.51/x
  3. Step 3: Cross multiply
    22,712.68x = 34,071.29 × 8,684.51
  4. Step 4: Simplify right side
    22,712.68x = 295,892,565.61
  5. Step 5: Solve for x
    x = 295,892,565.61/22,712.68
  6. Step 6: Final answer
    x = 13,027.64

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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.