Home / 11,747.23-17,601.36-8,455.39

Finding the Fourth Proportional to 11,747.23, 17,601.36 and 8,455.39

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Solution

The fourth proportional to 11,747.23, 17,601.36 and 8,455.39 is: 12,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.23 : 17,601.36 = 8,455.39 : x
  2. Step 2: Convert to fraction form
    11,747.23/17,601.36 = 8,455.39/x
  3. Step 3: Cross multiply
    11,747.23x = 17,601.36 × 8,455.39
  4. Step 4: Simplify right side
    11,747.23x = 148,826,363.33
  5. Step 5: Solve for x
    x = 148,826,363.33/11,747.23
  6. Step 6: Final answer
    x = 12,669.06

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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.