Home / 21,193.48-29,248.40-12,241.36

Finding the Fourth Proportional to 21,193.48, 29,248.40 and 12,241.36

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Solution

The fourth proportional to 21,193.48, 29,248.40 and 12,241.36 is: 16,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.48 : 29,248.40 = 12,241.36 : x
  2. Step 2: Convert to fraction form
    21,193.48/29,248.40 = 12,241.36/x
  3. Step 3: Cross multiply
    21,193.48x = 29,248.40 × 12,241.36
  4. Step 4: Simplify right side
    21,193.48x = 358,040,193.82
  5. Step 5: Solve for x
    x = 358,040,193.82/21,193.48
  6. Step 6: Final answer
    x = 16,893.88

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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.