Home / 16,815.11-23,205.27-9,261.69

Finding the Fourth Proportional to 16,815.11, 23,205.27 and 9,261.69

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Solution

The fourth proportional to 16,815.11, 23,205.27 and 9,261.69 is: 12,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.11 : 23,205.27 = 9,261.69 : x
  2. Step 2: Convert to fraction form
    16,815.11/23,205.27 = 9,261.69/x
  3. Step 3: Cross multiply
    16,815.11x = 23,205.27 × 9,261.69
  4. Step 4: Simplify right side
    16,815.11x = 214,920,043.25
  5. Step 5: Solve for x
    x = 214,920,043.25/16,815.11
  6. Step 6: Final answer
    x = 12,781.36

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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.