Home / 22,279.62-33,430.37-9,135.75

Finding the Fourth Proportional to 22,279.62, 33,430.37 and 9,135.75

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Solution

The fourth proportional to 22,279.62, 33,430.37 and 9,135.75 is: 13,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.62 : 33,430.37 = 9,135.75 : x
  2. Step 2: Convert to fraction form
    22,279.62/33,430.37 = 9,135.75/x
  3. Step 3: Cross multiply
    22,279.62x = 33,430.37 × 9,135.75
  4. Step 4: Simplify right side
    22,279.62x = 305,411,457.05
  5. Step 5: Solve for x
    x = 305,411,457.05/22,279.62
  6. Step 6: Final answer
    x = 13,708.11

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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.