Home / 22,219.25-33,330.09-6,638.09

Finding the Fourth Proportional to 22,219.25, 33,330.09 and 6,638.09

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Solution

The fourth proportional to 22,219.25, 33,330.09 and 6,638.09 is: 9,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.25 : 33,330.09 = 6,638.09 : x
  2. Step 2: Convert to fraction form
    22,219.25/33,330.09 = 6,638.09/x
  3. Step 3: Cross multiply
    22,219.25x = 33,330.09 × 6,638.09
  4. Step 4: Simplify right side
    22,219.25x = 221,248,137.13
  5. Step 5: Solve for x
    x = 221,248,137.13/22,219.25
  6. Step 6: Final answer
    x = 9,957.50

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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.