Home / 13,435.72-18,541.91-7,467.97

Finding the Fourth Proportional to 13,435.72, 18,541.91 and 7,467.97

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Solution

The fourth proportional to 13,435.72, 18,541.91 and 7,467.97 is: 10,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.72 : 18,541.91 = 7,467.97 : x
  2. Step 2: Convert to fraction form
    13,435.72/18,541.91 = 7,467.97/x
  3. Step 3: Cross multiply
    13,435.72x = 18,541.91 × 7,467.97
  4. Step 4: Simplify right side
    13,435.72x = 138,470,427.62
  5. Step 5: Solve for x
    x = 138,470,427.62/13,435.72
  6. Step 6: Final answer
    x = 10,306.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.