Home / 12,324.82-18,509.40-11,335.84

Finding the Fourth Proportional to 12,324.82, 18,509.40 and 11,335.84

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Solution

The fourth proportional to 12,324.82, 18,509.40 and 11,335.84 is: 17,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.82 : 18,509.40 = 11,335.84 : x
  2. Step 2: Convert to fraction form
    12,324.82/18,509.40 = 11,335.84/x
  3. Step 3: Cross multiply
    12,324.82x = 18,509.40 × 11,335.84
  4. Step 4: Simplify right side
    12,324.82x = 209,819,596.90
  5. Step 5: Solve for x
    x = 209,819,596.90/12,324.82
  6. Step 6: Final answer
    x = 17,024.15

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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.