Home / 21,489.77-32,244.33-11,617.49

Finding the Fourth Proportional to 21,489.77, 32,244.33 and 11,617.49

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Solution

The fourth proportional to 21,489.77, 32,244.33 and 11,617.49 is: 17,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489.77 : 32,244.33 = 11,617.49 : x
  2. Step 2: Convert to fraction form
    21,489.77/32,244.33 = 11,617.49/x
  3. Step 3: Cross multiply
    21,489.77x = 32,244.33 × 11,617.49
  4. Step 4: Simplify right side
    21,489.77x = 374,598,020.11
  5. Step 5: Solve for x
    x = 374,598,020.11/21,489.77
  6. Step 6: Final answer
    x = 17,431.46

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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.