Home / 12,338.36-18,496.38-4,541.72

Finding the Fourth Proportional to 12,338.36, 18,496.38 and 4,541.72

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Solution

The fourth proportional to 12,338.36, 18,496.38 and 4,541.72 is: 6,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.36 : 18,496.38 = 4,541.72 : x
  2. Step 2: Convert to fraction form
    12,338.36/18,496.38 = 4,541.72/x
  3. Step 3: Cross multiply
    12,338.36x = 18,496.38 × 4,541.72
  4. Step 4: Simplify right side
    12,338.36x = 84,005,378.97
  5. Step 5: Solve for x
    x = 84,005,378.97/12,338.36
  6. Step 6: Final answer
    x = 6,808.47

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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.