Home / 10,919.38-15,066.93-6,201.94

Finding the Fourth Proportional to 10,919.38, 15,066.93 and 6,201.94

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Solution

The fourth proportional to 10,919.38, 15,066.93 and 6,201.94 is: 8,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.38 : 15,066.93 = 6,201.94 : x
  2. Step 2: Convert to fraction form
    10,919.38/15,066.93 = 6,201.94/x
  3. Step 3: Cross multiply
    10,919.38x = 15,066.93 × 6,201.94
  4. Step 4: Simplify right side
    10,919.38x = 93,444,195.84
  5. Step 5: Solve for x
    x = 93,444,195.84/10,919.38
  6. Step 6: Final answer
    x = 8,557.65

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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.