Home / 22,069.90-33,117.65-8,220.30

Finding the Fourth Proportional to 22,069.90, 33,117.65 and 8,220.30

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Solution

The fourth proportional to 22,069.90, 33,117.65 and 8,220.30 is: 12,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.90 : 33,117.65 = 8,220.30 : x
  2. Step 2: Convert to fraction form
    22,069.90/33,117.65 = 8,220.30/x
  3. Step 3: Cross multiply
    22,069.90x = 33,117.65 × 8,220.30
  4. Step 4: Simplify right side
    22,069.90x = 272,237,018.30
  5. Step 5: Solve for x
    x = 272,237,018.30/22,069.90
  6. Step 6: Final answer
    x = 12,335.22

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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.