Home / 11,202-16,822.20-10,618.32

Finding the Fourth Proportional to 11,202, 16,822.20 and 10,618.32

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Solution

The fourth proportional to 11,202, 16,822.20 and 10,618.32 is: 15,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202 : 16,822.20 = 10,618.32 : x
  2. Step 2: Convert to fraction form
    11,202/16,822.20 = 10,618.32/x
  3. Step 3: Cross multiply
    11,202x = 16,822.20 × 10,618.32
  4. Step 4: Simplify right side
    11,202x = 178,623,502.70
  5. Step 5: Solve for x
    x = 178,623,502.70/11,202
  6. Step 6: Final answer
    x = 15,945.68

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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.