Home / 11,679.95-17,436.72-11,269.86

Finding the Fourth Proportional to 11,679.95, 17,436.72 and 11,269.86

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Solution

The fourth proportional to 11,679.95, 17,436.72 and 11,269.86 is: 16,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.95 : 17,436.72 = 11,269.86 : x
  2. Step 2: Convert to fraction form
    11,679.95/17,436.72 = 11,269.86/x
  3. Step 3: Cross multiply
    11,679.95x = 17,436.72 × 11,269.86
  4. Step 4: Simplify right side
    11,679.95x = 196,509,393.26
  5. Step 5: Solve for x
    x = 196,509,393.26/11,679.95
  6. Step 6: Final answer
    x = 16,824.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.