Home / 22,770.21-34,155.62-7,979.54

Finding the Fourth Proportional to 22,770.21, 34,155.62 and 7,979.54

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Solution

The fourth proportional to 22,770.21, 34,155.62 and 7,979.54 is: 11,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,770.21 : 34,155.62 = 7,979.54 : x
  2. Step 2: Convert to fraction form
    22,770.21/34,155.62 = 7,979.54/x
  3. Step 3: Cross multiply
    22,770.21x = 34,155.62 × 7,979.54
  4. Step 4: Simplify right side
    22,770.21x = 272,545,925.34
  5. Step 5: Solve for x
    x = 272,545,925.34/22,770.21
  6. Step 6: Final answer
    x = 11,969.41

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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.