Home / 13,354.85-20,031.98-3,994.89

Finding the Fourth Proportional to 13,354.85, 20,031.98 and 3,994.89

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Solution

The fourth proportional to 13,354.85, 20,031.98 and 3,994.89 is: 5,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.85 : 20,031.98 = 3,994.89 : x
  2. Step 2: Convert to fraction form
    13,354.85/20,031.98 = 3,994.89/x
  3. Step 3: Cross multiply
    13,354.85x = 20,031.98 × 3,994.89
  4. Step 4: Simplify right side
    13,354.85x = 80,025,536.61
  5. Step 5: Solve for x
    x = 80,025,536.61/13,354.85
  6. Step 6: Final answer
    x = 5,992.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.