Home / 22,278.43-33,417.69-9,128.44

Finding the Fourth Proportional to 22,278.43, 33,417.69 and 9,128.44

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Solution

The fourth proportional to 22,278.43, 33,417.69 and 9,128.44 is: 13,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.43 : 33,417.69 = 9,128.44 : x
  2. Step 2: Convert to fraction form
    22,278.43/33,417.69 = 9,128.44/x
  3. Step 3: Cross multiply
    22,278.43x = 33,417.69 × 9,128.44
  4. Step 4: Simplify right side
    22,278.43x = 305,051,378.10
  5. Step 5: Solve for x
    x = 305,051,378.10/22,278.43
  6. Step 6: Final answer
    x = 13,692.68

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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.