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Finding the Fourth Proportional to 36,871.14, 55,306.89 and 9,169.14

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Solution

The fourth proportional to 36,871.14, 55,306.89 and 9,169.14 is: 13,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871.14 : 55,306.89 = 9,169.14 : x
  2. Step 2: Convert to fraction form
    36,871.14/55,306.89 = 9,169.14/x
  3. Step 3: Cross multiply
    36,871.14x = 55,306.89 × 9,169.14
  4. Step 4: Simplify right side
    36,871.14x = 507,116,617.37
  5. Step 5: Solve for x
    x = 507,116,617.37/36,871.14
  6. Step 6: Final answer
    x = 13,753.75

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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.