Home / 12,199.18-18,282.33-8,896.81

Finding the Fourth Proportional to 12,199.18, 18,282.33 and 8,896.81

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Solution

The fourth proportional to 12,199.18, 18,282.33 and 8,896.81 is: 13,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.18 : 18,282.33 = 8,896.81 : x
  2. Step 2: Convert to fraction form
    12,199.18/18,282.33 = 8,896.81/x
  3. Step 3: Cross multiply
    12,199.18x = 18,282.33 × 8,896.81
  4. Step 4: Simplify right side
    12,199.18x = 162,654,416.37
  5. Step 5: Solve for x
    x = 162,654,416.37/12,199.18
  6. Step 6: Final answer
    x = 13,333.23

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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.