Home / 11,008.94-16,516.10-5,158.71

Finding the Fourth Proportional to 11,008.94, 16,516.10 and 5,158.71

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Solution

The fourth proportional to 11,008.94, 16,516.10 and 5,158.71 is: 7,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.94 : 16,516.10 = 5,158.71 : x
  2. Step 2: Convert to fraction form
    11,008.94/16,516.10 = 5,158.71/x
  3. Step 3: Cross multiply
    11,008.94x = 16,516.10 × 5,158.71
  4. Step 4: Simplify right side
    11,008.94x = 85,201,783.13
  5. Step 5: Solve for x
    x = 85,201,783.13/11,008.94
  6. Step 6: Final answer
    x = 7,739.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.