Home / 13,789.73-20,658.67-6,847.49

Finding the Fourth Proportional to 13,789.73, 20,658.67 and 6,847.49

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Solution

The fourth proportional to 13,789.73, 20,658.67 and 6,847.49 is: 10,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.73 : 20,658.67 = 6,847.49 : x
  2. Step 2: Convert to fraction form
    13,789.73/20,658.67 = 6,847.49/x
  3. Step 3: Cross multiply
    13,789.73x = 20,658.67 × 6,847.49
  4. Step 4: Simplify right side
    13,789.73x = 141,460,036.24
  5. Step 5: Solve for x
    x = 141,460,036.24/13,789.73
  6. Step 6: Final answer
    x = 10,258.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.