Home / 21,204.84-29,262.74-11,775.16

Finding the Fourth Proportional to 21,204.84, 29,262.74 and 11,775.16

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Solution

The fourth proportional to 21,204.84, 29,262.74 and 11,775.16 is: 16,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.84 : 29,262.74 = 11,775.16 : x
  2. Step 2: Convert to fraction form
    21,204.84/29,262.74 = 11,775.16/x
  3. Step 3: Cross multiply
    21,204.84x = 29,262.74 × 11,775.16
  4. Step 4: Simplify right side
    21,204.84x = 344,573,445.54
  5. Step 5: Solve for x
    x = 344,573,445.54/21,204.84
  6. Step 6: Final answer
    x = 16,249.75

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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.