Home / 21,711.54-29,963.37-12,152.26

Finding the Fourth Proportional to 21,711.54, 29,963.37 and 12,152.26

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Solution

The fourth proportional to 21,711.54, 29,963.37 and 12,152.26 is: 16,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.54 : 29,963.37 = 12,152.26 : x
  2. Step 2: Convert to fraction form
    21,711.54/29,963.37 = 12,152.26/x
  3. Step 3: Cross multiply
    21,711.54x = 29,963.37 × 12,152.26
  4. Step 4: Simplify right side
    21,711.54x = 364,122,452.14
  5. Step 5: Solve for x
    x = 364,122,452.14/21,711.54
  6. Step 6: Final answer
    x = 16,770.92

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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.