Home / 19,963.08-29,967.30-10,113.48

Finding the Fourth Proportional to 19,963.08, 29,967.30 and 10,113.48

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Solution

The fourth proportional to 19,963.08, 29,967.30 and 10,113.48 is: 15,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.08 : 29,967.30 = 10,113.48 : x
  2. Step 2: Convert to fraction form
    19,963.08/29,967.30 = 10,113.48/x
  3. Step 3: Cross multiply
    19,963.08x = 29,967.30 × 10,113.48
  4. Step 4: Simplify right side
    19,963.08x = 303,073,689.20
  5. Step 5: Solve for x
    x = 303,073,689.20/19,963.08
  6. Step 6: Final answer
    x = 15,181.71

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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.