Home / 15,836.94-21,854.66-8,763.36

Finding the Fourth Proportional to 15,836.94, 21,854.66 and 8,763.36

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Solution

The fourth proportional to 15,836.94, 21,854.66 and 8,763.36 is: 12,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.94 : 21,854.66 = 8,763.36 : x
  2. Step 2: Convert to fraction form
    15,836.94/21,854.66 = 8,763.36/x
  3. Step 3: Cross multiply
    15,836.94x = 21,854.66 × 8,763.36
  4. Step 4: Simplify right side
    15,836.94x = 191,520,209.44
  5. Step 5: Solve for x
    x = 191,520,209.44/15,836.94
  6. Step 6: Final answer
    x = 12,093.26

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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.