Home / 21,207.08-29,266.44-11,776.36

Finding the Fourth Proportional to 21,207.08, 29,266.44 and 11,776.36

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Solution

The fourth proportional to 21,207.08, 29,266.44 and 11,776.36 is: 16,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207.08 : 29,266.44 = 11,776.36 : x
  2. Step 2: Convert to fraction form
    21,207.08/29,266.44 = 11,776.36/x
  3. Step 3: Cross multiply
    21,207.08x = 29,266.44 × 11,776.36
  4. Step 4: Simplify right side
    21,207.08x = 344,652,133.36
  5. Step 5: Solve for x
    x = 344,652,133.36/21,207.08
  6. Step 6: Final answer
    x = 16,251.75

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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.