Home / 18,330.72-27,497.92-6,641.28

Finding the Fourth Proportional to 18,330.72, 27,497.92 and 6,641.28

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Solution

The fourth proportional to 18,330.72, 27,497.92 and 6,641.28 is: 9,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.72 : 27,497.92 = 6,641.28 : x
  2. Step 2: Convert to fraction form
    18,330.72/27,497.92 = 6,641.28/x
  3. Step 3: Cross multiply
    18,330.72x = 27,497.92 × 6,641.28
  4. Step 4: Simplify right side
    18,330.72x = 182,621,386.14
  5. Step 5: Solve for x
    x = 182,621,386.14/18,330.72
  6. Step 6: Final answer
    x = 9,962.59

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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.