Home / 11,590.89-17,237.21-11,221.83

Finding the Fourth Proportional to 11,590.89, 17,237.21 and 11,221.83

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Solution

The fourth proportional to 11,590.89, 17,237.21 and 11,221.83 is: 16,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.89 : 17,237.21 = 11,221.83 : x
  2. Step 2: Convert to fraction form
    11,590.89/17,237.21 = 11,221.83/x
  3. Step 3: Cross multiply
    11,590.89x = 17,237.21 × 11,221.83
  4. Step 4: Simplify right side
    11,590.89x = 193,432,984.19
  5. Step 5: Solve for x
    x = 193,432,984.19/11,590.89
  6. Step 6: Final answer
    x = 16,688.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.