Home / 21,193.15-29,247.93-12,241.03

Finding the Fourth Proportional to 21,193.15, 29,247.93 and 12,241.03

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Solution

The fourth proportional to 21,193.15, 29,247.93 and 12,241.03 is: 16,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.15 : 29,247.93 = 12,241.03 : x
  2. Step 2: Convert to fraction form
    21,193.15/29,247.93 = 12,241.03/x
  3. Step 3: Cross multiply
    21,193.15x = 29,247.93 × 12,241.03
  4. Step 4: Simplify right side
    21,193.15x = 358,024,788.57
  5. Step 5: Solve for x
    x = 358,024,788.57/21,193.15
  6. Step 6: Final answer
    x = 16,893.42

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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.