Home / 12,263.81-18,372.49-7,251.17

Finding the Fourth Proportional to 12,263.81, 18,372.49 and 7,251.17

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Solution

The fourth proportional to 12,263.81, 18,372.49 and 7,251.17 is: 10,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.81 : 18,372.49 = 7,251.17 : x
  2. Step 2: Convert to fraction form
    12,263.81/18,372.49 = 7,251.17/x
  3. Step 3: Cross multiply
    12,263.81x = 18,372.49 × 7,251.17
  4. Step 4: Simplify right side
    12,263.81x = 133,222,041.67
  5. Step 5: Solve for x
    x = 133,222,041.67/12,263.81
  6. Step 6: Final answer
    x = 10,863.03

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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.