Home / 13,426.41-20,141.66-6,849.01

Finding the Fourth Proportional to 13,426.41, 20,141.66 and 6,849.01

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Solution

The fourth proportional to 13,426.41, 20,141.66 and 6,849.01 is: 10,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.41 : 20,141.66 = 6,849.01 : x
  2. Step 2: Convert to fraction form
    13,426.41/20,141.66 = 6,849.01/x
  3. Step 3: Cross multiply
    13,426.41x = 20,141.66 × 6,849.01
  4. Step 4: Simplify right side
    13,426.41x = 137,950,359.76
  5. Step 5: Solve for x
    x = 137,950,359.76/13,426.41
  6. Step 6: Final answer
    x = 10,274.55

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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.