Home / 22,203.36-33,304.68-6,620.40

Finding the Fourth Proportional to 22,203.36, 33,304.68 and 6,620.40

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Solution

The fourth proportional to 22,203.36, 33,304.68 and 6,620.40 is: 9,930.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.36 : 33,304.68 = 6,620.40 : x
  2. Step 2: Convert to fraction form
    22,203.36/33,304.68 = 6,620.40/x
  3. Step 3: Cross multiply
    22,203.36x = 33,304.68 × 6,620.40
  4. Step 4: Simplify right side
    22,203.36x = 220,490,303.47
  5. Step 5: Solve for x
    x = 220,490,303.47/22,203.36
  6. Step 6: Final answer
    x = 9,930.49

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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.