Home / 10,889.44-15,025.11-6,411.56

Finding the Fourth Proportional to 10,889.44, 15,025.11 and 6,411.56

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Solution

The fourth proportional to 10,889.44, 15,025.11 and 6,411.56 is: 8,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.44 : 15,025.11 = 6,411.56 : x
  2. Step 2: Convert to fraction form
    10,889.44/15,025.11 = 6,411.56/x
  3. Step 3: Cross multiply
    10,889.44x = 15,025.11 × 6,411.56
  4. Step 4: Simplify right side
    10,889.44x = 96,334,304.12
  5. Step 5: Solve for x
    x = 96,334,304.12/10,889.44
  6. Step 6: Final answer
    x = 8,846.58

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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.