Home / 21,049.24-29,047.81-11,617.80

Finding the Fourth Proportional to 21,049.24, 29,047.81 and 11,617.80

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Solution

The fourth proportional to 21,049.24, 29,047.81 and 11,617.80 is: 16,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.24 : 29,047.81 = 11,617.80 : x
  2. Step 2: Convert to fraction form
    21,049.24/29,047.81 = 11,617.80/x
  3. Step 3: Cross multiply
    21,049.24x = 29,047.81 × 11,617.80
  4. Step 4: Simplify right side
    21,049.24x = 337,471,647.02
  5. Step 5: Solve for x
    x = 337,471,647.02/21,049.24
  6. Step 6: Final answer
    x = 16,032.49

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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.