Home / 12,355.24-17,044.18-8,377.60

Finding the Fourth Proportional to 12,355.24, 17,044.18 and 8,377.60

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Solution

The fourth proportional to 12,355.24, 17,044.18 and 8,377.60 is: 11,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.24 : 17,044.18 = 8,377.60 : x
  2. Step 2: Convert to fraction form
    12,355.24/17,044.18 = 8,377.60/x
  3. Step 3: Cross multiply
    12,355.24x = 17,044.18 × 8,377.60
  4. Step 4: Simplify right side
    12,355.24x = 142,789,322.37
  5. Step 5: Solve for x
    x = 142,789,322.37/12,355.24
  6. Step 6: Final answer
    x = 11,556.98

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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.