Home / 22,221.71-33,334.32-7,430.70

Finding the Fourth Proportional to 22,221.71, 33,334.32 and 7,430.70

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Solution

The fourth proportional to 22,221.71, 33,334.32 and 7,430.70 is: 11,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.71 : 33,334.32 = 7,430.70 : x
  2. Step 2: Convert to fraction form
    22,221.71/33,334.32 = 7,430.70/x
  3. Step 3: Cross multiply
    22,221.71x = 33,334.32 × 7,430.70
  4. Step 4: Simplify right side
    22,221.71x = 247,697,331.62
  5. Step 5: Solve for x
    x = 247,697,331.62/22,221.71
  6. Step 6: Final answer
    x = 11,146.64

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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.