Home / 12,163.24-18,247.59-8,802.09

Finding the Fourth Proportional to 12,163.24, 18,247.59 and 8,802.09

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Solution

The fourth proportional to 12,163.24, 18,247.59 and 8,802.09 is: 13,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.24 : 18,247.59 = 8,802.09 : x
  2. Step 2: Convert to fraction form
    12,163.24/18,247.59 = 8,802.09/x
  3. Step 3: Cross multiply
    12,163.24x = 18,247.59 × 8,802.09
  4. Step 4: Simplify right side
    12,163.24x = 160,616,929.46
  5. Step 5: Solve for x
    x = 160,616,929.46/12,163.24
  6. Step 6: Final answer
    x = 13,205.11

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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.