Home / 21,205.44-29,266.08-11,775.04

Finding the Fourth Proportional to 21,205.44, 29,266.08 and 11,775.04

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Solution

The fourth proportional to 21,205.44, 29,266.08 and 11,775.04 is: 16,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,205.44 : 29,266.08 = 11,775.04 : x
  2. Step 2: Convert to fraction form
    21,205.44/29,266.08 = 11,775.04/x
  3. Step 3: Cross multiply
    21,205.44x = 29,266.08 × 11,775.04
  4. Step 4: Simplify right side
    21,205.44x = 344,609,262.64
  5. Step 5: Solve for x
    x = 344,609,262.64/21,205.44
  6. Step 6: Final answer
    x = 16,250.98

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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.