Home / 22,165.13-33,218.84-9,002.13

Finding the Fourth Proportional to 22,165.13, 33,218.84 and 9,002.13

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Solution

The fourth proportional to 22,165.13, 33,218.84 and 9,002.13 is: 13,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.13 : 33,218.84 = 9,002.13 : x
  2. Step 2: Convert to fraction form
    22,165.13/33,218.84 = 9,002.13/x
  3. Step 3: Cross multiply
    22,165.13x = 33,218.84 × 9,002.13
  4. Step 4: Simplify right side
    22,165.13x = 299,040,316.13
  5. Step 5: Solve for x
    x = 299,040,316.13/22,165.13
  6. Step 6: Final answer
    x = 13,491.48

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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.