Home / 21,040.48-29,036.04-11,609.68

Finding the Fourth Proportional to 21,040.48, 29,036.04 and 11,609.68

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Solution

The fourth proportional to 21,040.48, 29,036.04 and 11,609.68 is: 16,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.48 : 29,036.04 = 11,609.68 : x
  2. Step 2: Convert to fraction form
    21,040.48/29,036.04 = 11,609.68/x
  3. Step 3: Cross multiply
    21,040.48x = 29,036.04 × 11,609.68
  4. Step 4: Simplify right side
    21,040.48x = 337,099,132.87
  5. Step 5: Solve for x
    x = 337,099,132.87/21,040.48
  6. Step 6: Final answer
    x = 16,021.46

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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.