Home / 10,963.44-15,132.24-9,192.24

Finding the Fourth Proportional to 10,963.44, 15,132.24 and 9,192.24

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Solution

The fourth proportional to 10,963.44, 15,132.24 and 9,192.24 is: 12,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.44 : 15,132.24 = 9,192.24 : x
  2. Step 2: Convert to fraction form
    10,963.44/15,132.24 = 9,192.24/x
  3. Step 3: Cross multiply
    10,963.44x = 15,132.24 × 9,192.24
  4. Step 4: Simplify right side
    10,963.44x = 139,099,181.82
  5. Step 5: Solve for x
    x = 139,099,181.82/10,963.44
  6. Step 6: Final answer
    x = 12,687.55

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1.5x scale

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.