Home / 12,219.98-18,328.68-8,296.46

Finding the Fourth Proportional to 12,219.98, 18,328.68 and 8,296.46

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Solution

The fourth proportional to 12,219.98, 18,328.68 and 8,296.46 is: 12,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.98 : 18,328.68 = 8,296.46 : x
  2. Step 2: Convert to fraction form
    12,219.98/18,328.68 = 8,296.46/x
  3. Step 3: Cross multiply
    12,219.98x = 18,328.68 × 8,296.46
  4. Step 4: Simplify right side
    12,219.98x = 152,063,160.47
  5. Step 5: Solve for x
    x = 152,063,160.47/12,219.98
  6. Step 6: Final answer
    x = 12,443.81

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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.