Home / 22,772.14-34,158.06-7,189.78

Finding the Fourth Proportional to 22,772.14, 34,158.06 and 7,189.78

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Solution

The fourth proportional to 22,772.14, 34,158.06 and 7,189.78 is: 10,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.14 : 34,158.06 = 7,189.78 : x
  2. Step 2: Convert to fraction form
    22,772.14/34,158.06 = 7,189.78/x
  3. Step 3: Cross multiply
    22,772.14x = 34,158.06 × 7,189.78
  4. Step 4: Simplify right side
    22,772.14x = 245,588,936.63
  5. Step 5: Solve for x
    x = 245,588,936.63/22,772.14
  6. Step 6: Final answer
    x = 10,784.62

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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.