Home / 21,206.56-29,264.60-11,774.96

Finding the Fourth Proportional to 21,206.56, 29,264.60 and 11,774.96

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Solution

The fourth proportional to 21,206.56, 29,264.60 and 11,774.96 is: 16,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206.56 : 29,264.60 = 11,774.96 : x
  2. Step 2: Convert to fraction form
    21,206.56/29,264.60 = 11,774.96/x
  3. Step 3: Cross multiply
    21,206.56x = 29,264.60 × 11,774.96
  4. Step 4: Simplify right side
    21,206.56x = 344,589,494.42
  5. Step 5: Solve for x
    x = 344,589,494.42/21,206.56
  6. Step 6: Final answer
    x = 16,249.19

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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.