Home / 11,190.11-16,785.16-5,328.95

Finding the Fourth Proportional to 11,190.11, 16,785.16 and 5,328.95

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Solution

The fourth proportional to 11,190.11, 16,785.16 and 5,328.95 is: 7,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.11 : 16,785.16 = 5,328.95 : x
  2. Step 2: Convert to fraction form
    11,190.11/16,785.16 = 5,328.95/x
  3. Step 3: Cross multiply
    11,190.11x = 16,785.16 × 5,328.95
  4. Step 4: Simplify right side
    11,190.11x = 89,447,278.38
  5. Step 5: Solve for x
    x = 89,447,278.38/11,190.11
  6. Step 6: Final answer
    x = 7,993.42

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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.