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Finding the Fourth Proportional to 36,174.71, 54,264.12 and 11,218.31

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Solution

The fourth proportional to 36,174.71, 54,264.12 and 11,218.31 is: 16,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,174.71 : 54,264.12 = 11,218.31 : x
  2. Step 2: Convert to fraction form
    36,174.71/54,264.12 = 11,218.31/x
  3. Step 3: Cross multiply
    36,174.71x = 54,264.12 × 11,218.31
  4. Step 4: Simplify right side
    36,174.71x = 608,751,652.21
  5. Step 5: Solve for x
    x = 608,751,652.21/36,174.71
  6. Step 6: Final answer
    x = 16,828.10

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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.