Home / 11,641.09-17,461.80-3,321.11

Finding the Fourth Proportional to 11,641.09, 17,461.80 and 3,321.11

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Solution

The fourth proportional to 11,641.09, 17,461.80 and 3,321.11 is: 4,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.09 : 17,461.80 = 3,321.11 : x
  2. Step 2: Convert to fraction form
    11,641.09/17,461.80 = 3,321.11/x
  3. Step 3: Cross multiply
    11,641.09x = 17,461.80 × 3,321.11
  4. Step 4: Simplify right side
    11,641.09x = 57,992,541.99
  5. Step 5: Solve for x
    x = 57,992,541.99/11,641.09
  6. Step 6: Final answer
    x = 4,981.71

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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.