Home / 17,838.89-24,638.34-11,860.21

Finding the Fourth Proportional to 17,838.89, 24,638.34 and 11,860.21

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Solution

The fourth proportional to 17,838.89, 24,638.34 and 11,860.21 is: 16,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.89 : 24,638.34 = 11,860.21 : x
  2. Step 2: Convert to fraction form
    17,838.89/24,638.34 = 11,860.21/x
  3. Step 3: Cross multiply
    17,838.89x = 24,638.34 × 11,860.21
  4. Step 4: Simplify right side
    17,838.89x = 292,215,886.45
  5. Step 5: Solve for x
    x = 292,215,886.45/17,838.89
  6. Step 6: Final answer
    x = 16,380.83

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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.