Home / 22,102.57-33,159.93-6,520.20

Finding the Fourth Proportional to 22,102.57, 33,159.93 and 6,520.20

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Solution

The fourth proportional to 22,102.57, 33,159.93 and 6,520.20 is: 9,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.57 : 33,159.93 = 6,520.20 : x
  2. Step 2: Convert to fraction form
    22,102.57/33,159.93 = 6,520.20/x
  3. Step 3: Cross multiply
    22,102.57x = 33,159.93 × 6,520.20
  4. Step 4: Simplify right side
    22,102.57x = 216,209,375.59
  5. Step 5: Solve for x
    x = 216,209,375.59/22,102.57
  6. Step 6: Final answer
    x = 9,782.09

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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.