Home / 21,044.39-29,040.34-11,484.03

Finding the Fourth Proportional to 21,044.39, 29,040.34 and 11,484.03

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Solution

The fourth proportional to 21,044.39, 29,040.34 and 11,484.03 is: 15,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.39 : 29,040.34 = 11,484.03 : x
  2. Step 2: Convert to fraction form
    21,044.39/29,040.34 = 11,484.03/x
  3. Step 3: Cross multiply
    21,044.39x = 29,040.34 × 11,484.03
  4. Step 4: Simplify right side
    21,044.39x = 333,500,188.12
  5. Step 5: Solve for x
    x = 333,500,188.12/21,044.39
  6. Step 6: Final answer
    x = 15,847.47

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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.