Home / 21,496.72-29,664.84-12,065.44

Finding the Fourth Proportional to 21,496.72, 29,664.84 and 12,065.44

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Solution

The fourth proportional to 21,496.72, 29,664.84 and 12,065.44 is: 16,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.72 : 29,664.84 = 12,065.44 : x
  2. Step 2: Convert to fraction form
    21,496.72/29,664.84 = 12,065.44/x
  3. Step 3: Cross multiply
    21,496.72x = 29,664.84 × 12,065.44
  4. Step 4: Simplify right side
    21,496.72x = 357,919,347.13
  5. Step 5: Solve for x
    x = 357,919,347.13/21,496.72
  6. Step 6: Final answer
    x = 16,649.95

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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.