Home / 10,099.25-13,938.05-5,911.01

Finding the Fourth Proportional to 10,099.25, 13,938.05 and 5,911.01

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Solution

The fourth proportional to 10,099.25, 13,938.05 and 5,911.01 is: 8,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.25 : 13,938.05 = 5,911.01 : x
  2. Step 2: Convert to fraction form
    10,099.25/13,938.05 = 5,911.01/x
  3. Step 3: Cross multiply
    10,099.25x = 13,938.05 × 5,911.01
  4. Step 4: Simplify right side
    10,099.25x = 82,387,923.38
  5. Step 5: Solve for x
    x = 82,387,923.38/10,099.25
  6. Step 6: Final answer
    x = 8,157.83

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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.