Home / 21,590.67-32,390.37-9,110.73

Finding the Fourth Proportional to 21,590.67, 32,390.37 and 9,110.73

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Solution

The fourth proportional to 21,590.67, 32,390.37 and 9,110.73 is: 13,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.67 : 32,390.37 = 9,110.73 : x
  2. Step 2: Convert to fraction form
    21,590.67/32,390.37 = 9,110.73/x
  3. Step 3: Cross multiply
    21,590.67x = 32,390.37 × 9,110.73
  4. Step 4: Simplify right side
    21,590.67x = 295,099,915.67
  5. Step 5: Solve for x
    x = 295,099,915.67/21,590.67
  6. Step 6: Final answer
    x = 13,667.94

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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.