Home / 22,221.02-33,334.78-7,427.18

Finding the Fourth Proportional to 22,221.02, 33,334.78 and 7,427.18

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Solution

The fourth proportional to 22,221.02, 33,334.78 and 7,427.18 is: 11,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.02 : 33,334.78 = 7,427.18 : x
  2. Step 2: Convert to fraction form
    22,221.02/33,334.78 = 7,427.18/x
  3. Step 3: Cross multiply
    22,221.02x = 33,334.78 × 7,427.18
  4. Step 4: Simplify right side
    22,221.02x = 247,583,411.32
  5. Step 5: Solve for x
    x = 247,583,411.32/22,221.02
  6. Step 6: Final answer
    x = 11,141.86

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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.