Home / 20,383.11-30,576.02-5,590.82

Finding the Fourth Proportional to 20,383.11, 30,576.02 and 5,590.82

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Solution

The fourth proportional to 20,383.11, 30,576.02 and 5,590.82 is: 8,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.11 : 30,576.02 = 5,590.82 : x
  2. Step 2: Convert to fraction form
    20,383.11/30,576.02 = 5,590.82/x
  3. Step 3: Cross multiply
    20,383.11x = 30,576.02 × 5,590.82
  4. Step 4: Simplify right side
    20,383.11x = 170,945,072.62
  5. Step 5: Solve for x
    x = 170,945,072.62/20,383.11
  6. Step 6: Final answer
    x = 8,386.60

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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.