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Finding the Fourth Proportional to 18,064.85, 27,101.39 and 9,744.68

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Solution

The fourth proportional to 18,064.85, 27,101.39 and 9,744.68 is: 14,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.85 : 27,101.39 = 9,744.68 : x
  2. Step 2: Convert to fraction form
    18,064.85/27,101.39 = 9,744.68/x
  3. Step 3: Cross multiply
    18,064.85x = 27,101.39 × 9,744.68
  4. Step 4: Simplify right side
    18,064.85x = 264,094,315.91
  5. Step 5: Solve for x
    x = 264,094,315.91/18,064.85
  6. Step 6: Final answer
    x = 14,619.24

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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.