Home / 10,963.83-15,125.56-8,099.40

Finding the Fourth Proportional to 10,963.83, 15,125.56 and 8,099.40

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Solution

The fourth proportional to 10,963.83, 15,125.56 and 8,099.40 is: 11,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.83 : 15,125.56 = 8,099.40 : x
  2. Step 2: Convert to fraction form
    10,963.83/15,125.56 = 8,099.40/x
  3. Step 3: Cross multiply
    10,963.83x = 15,125.56 × 8,099.40
  4. Step 4: Simplify right side
    10,963.83x = 122,507,960.66
  5. Step 5: Solve for x
    x = 122,507,960.66/10,963.83
  6. Step 6: Final answer
    x = 11,173.83

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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.