Home / 21,297.29-29,390.46-11,737.52

Finding the Fourth Proportional to 21,297.29, 29,390.46 and 11,737.52

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Solution

The fourth proportional to 21,297.29, 29,390.46 and 11,737.52 is: 16,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297.29 : 29,390.46 = 11,737.52 : x
  2. Step 2: Convert to fraction form
    21,297.29/29,390.46 = 11,737.52/x
  3. Step 3: Cross multiply
    21,297.29x = 29,390.46 × 11,737.52
  4. Step 4: Simplify right side
    21,297.29x = 344,971,196.63
  5. Step 5: Solve for x
    x = 344,971,196.63/21,297.29
  6. Step 6: Final answer
    x = 16,197.89

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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.