Home / 21,205.44-29,263.68-11,774.16

Finding the Fourth Proportional to 21,205.44, 29,263.68 and 11,774.16

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Solution

The fourth proportional to 21,205.44, 29,263.68 and 11,774.16 is: 16,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,205.44 : 29,263.68 = 11,774.16 : x
  2. Step 2: Convert to fraction form
    21,205.44/29,263.68 = 11,774.16/x
  3. Step 3: Cross multiply
    21,205.44x = 29,263.68 × 11,774.16
  4. Step 4: Simplify right side
    21,205.44x = 344,555,250.51
  5. Step 5: Solve for x
    x = 344,555,250.51/21,205.44
  6. Step 6: Final answer
    x = 16,248.44

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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.