Home / 22,221.08-33,333.39-7,430.07

Finding the Fourth Proportional to 22,221.08, 33,333.39 and 7,430.07

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Solution

The fourth proportional to 22,221.08, 33,333.39 and 7,430.07 is: 11,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.08 : 33,333.39 = 7,430.07 : x
  2. Step 2: Convert to fraction form
    22,221.08/33,333.39 = 7,430.07/x
  3. Step 3: Cross multiply
    22,221.08x = 33,333.39 × 7,430.07
  4. Step 4: Simplify right side
    22,221.08x = 247,669,383.89
  5. Step 5: Solve for x
    x = 247,669,383.89/22,221.08
  6. Step 6: Final answer
    x = 11,145.70

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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.