Home / 21,048.24-29,046.42-11,616.80

Finding the Fourth Proportional to 21,048.24, 29,046.42 and 11,616.80

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Solution

The fourth proportional to 21,048.24, 29,046.42 and 11,616.80 is: 16,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.24 : 29,046.42 = 11,616.80 : x
  2. Step 2: Convert to fraction form
    21,048.24/29,046.42 = 11,616.80/x
  3. Step 3: Cross multiply
    21,048.24x = 29,046.42 × 11,616.80
  4. Step 4: Simplify right side
    21,048.24x = 337,426,451.86
  5. Step 5: Solve for x
    x = 337,426,451.86/21,048.24
  6. Step 6: Final answer
    x = 16,031.10

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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.