Home / 13,904.73-20,859.18-4,042.72

Finding the Fourth Proportional to 13,904.73, 20,859.18 and 4,042.72

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Solution

The fourth proportional to 13,904.73, 20,859.18 and 4,042.72 is: 6,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.73 : 20,859.18 = 4,042.72 : x
  2. Step 2: Convert to fraction form
    13,904.73/20,859.18 = 4,042.72/x
  3. Step 3: Cross multiply
    13,904.73x = 20,859.18 × 4,042.72
  4. Step 4: Simplify right side
    13,904.73x = 84,327,824.17
  5. Step 5: Solve for x
    x = 84,327,824.17/13,904.73
  6. Step 6: Final answer
    x = 6,064.69

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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.