Home / 15,506.73-21,399.66-8,793.05

Finding the Fourth Proportional to 15,506.73, 21,399.66 and 8,793.05

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Solution

The fourth proportional to 15,506.73, 21,399.66 and 8,793.05 is: 12,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.73 : 21,399.66 = 8,793.05 : x
  2. Step 2: Convert to fraction form
    15,506.73/21,399.66 = 8,793.05/x
  3. Step 3: Cross multiply
    15,506.73x = 21,399.66 × 8,793.05
  4. Step 4: Simplify right side
    15,506.73x = 188,168,173.36
  5. Step 5: Solve for x
    x = 188,168,173.36/15,506.73
  6. Step 6: Final answer
    x = 12,134.61

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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.