Home / 13,426.67-20,143.14-4,066.76

Finding the Fourth Proportional to 13,426.67, 20,143.14 and 4,066.76

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Solution

The fourth proportional to 13,426.67, 20,143.14 and 4,066.76 is: 6,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.67 : 20,143.14 = 4,066.76 : x
  2. Step 2: Convert to fraction form
    13,426.67/20,143.14 = 4,066.76/x
  3. Step 3: Cross multiply
    13,426.67x = 20,143.14 × 4,066.76
  4. Step 4: Simplify right side
    13,426.67x = 81,917,215.31
  5. Step 5: Solve for x
    x = 81,917,215.31/13,426.67
  6. Step 6: Final answer
    x = 6,101.08

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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.