Home / 22,135.12-33,209.16-7,141.95

Finding the Fourth Proportional to 22,135.12, 33,209.16 and 7,141.95

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Solution

The fourth proportional to 22,135.12, 33,209.16 and 7,141.95 is: 10,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.12 : 33,209.16 = 7,141.95 : x
  2. Step 2: Convert to fraction form
    22,135.12/33,209.16 = 7,141.95/x
  3. Step 3: Cross multiply
    22,135.12x = 33,209.16 × 7,141.95
  4. Step 4: Simplify right side
    22,135.12x = 237,178,160.26
  5. Step 5: Solve for x
    x = 237,178,160.26/22,135.12
  6. Step 6: Final answer
    x = 10,715.02

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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.