Home / 22,001.41-33,006.98-6,420.25

Finding the Fourth Proportional to 22,001.41, 33,006.98 and 6,420.25

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Solution

The fourth proportional to 22,001.41, 33,006.98 and 6,420.25 is: 9,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.41 : 33,006.98 = 6,420.25 : x
  2. Step 2: Convert to fraction form
    22,001.41/33,006.98 = 6,420.25/x
  3. Step 3: Cross multiply
    22,001.41x = 33,006.98 × 6,420.25
  4. Step 4: Simplify right side
    22,001.41x = 211,913,063.35
  5. Step 5: Solve for x
    x = 211,913,063.35/22,001.41
  6. Step 6: Final answer
    x = 9,631.79

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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.