Home / 21,167.88-29,211.03-11,607.27

Finding the Fourth Proportional to 21,167.88, 29,211.03 and 11,607.27

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Solution

The fourth proportional to 21,167.88, 29,211.03 and 11,607.27 is: 16,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.88 : 29,211.03 = 11,607.27 : x
  2. Step 2: Convert to fraction form
    21,167.88/29,211.03 = 11,607.27/x
  3. Step 3: Cross multiply
    21,167.88x = 29,211.03 × 11,607.27
  4. Step 4: Simplify right side
    21,167.88x = 339,060,449.11
  5. Step 5: Solve for x
    x = 339,060,449.11/21,167.88
  6. Step 6: Final answer
    x = 16,017.68

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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.