Home / 21,040.04-29,035.60-11,608.62

Finding the Fourth Proportional to 21,040.04, 29,035.60 and 11,608.62

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Solution

The fourth proportional to 21,040.04, 29,035.60 and 11,608.62 is: 16,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.04 : 29,035.60 = 11,608.62 : x
  2. Step 2: Convert to fraction form
    21,040.04/29,035.60 = 11,608.62/x
  3. Step 3: Cross multiply
    21,040.04x = 29,035.60 × 11,608.62
  4. Step 4: Simplify right side
    21,040.04x = 337,063,246.87
  5. Step 5: Solve for x
    x = 337,063,246.87/21,040.04
  6. Step 6: Final answer
    x = 16,020.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.