Home / 20,442.33-30,667.82-6,590.25

Finding the Fourth Proportional to 20,442.33, 30,667.82 and 6,590.25

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Solution

The fourth proportional to 20,442.33, 30,667.82 and 6,590.25 is: 9,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.33 : 30,667.82 = 6,590.25 : x
  2. Step 2: Convert to fraction form
    20,442.33/30,667.82 = 6,590.25/x
  3. Step 3: Cross multiply
    20,442.33x = 30,667.82 × 6,590.25
  4. Step 4: Simplify right side
    20,442.33x = 202,108,567.80
  5. Step 5: Solve for x
    x = 202,108,567.80/20,442.33
  6. Step 6: Final answer
    x = 9,886.77

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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.