Home / 15,060.83-20,783.66-8,346.44

Finding the Fourth Proportional to 15,060.83, 20,783.66 and 8,346.44

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Solution

The fourth proportional to 15,060.83, 20,783.66 and 8,346.44 is: 11,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.83 : 20,783.66 = 8,346.44 : x
  2. Step 2: Convert to fraction form
    15,060.83/20,783.66 = 8,346.44/x
  3. Step 3: Cross multiply
    15,060.83x = 20,783.66 × 8,346.44
  4. Step 4: Simplify right side
    15,060.83x = 173,469,581.40
  5. Step 5: Solve for x
    x = 173,469,581.40/15,060.83
  6. Step 6: Final answer
    x = 11,517.93

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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.