Home / 13,354.68-20,032.53-3,994.83

Finding the Fourth Proportional to 13,354.68, 20,032.53 and 3,994.83

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Solution

The fourth proportional to 13,354.68, 20,032.53 and 3,994.83 is: 5,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.68 : 20,032.53 = 3,994.83 : x
  2. Step 2: Convert to fraction form
    13,354.68/20,032.53 = 3,994.83/x
  3. Step 3: Cross multiply
    13,354.68x = 20,032.53 × 3,994.83
  4. Step 4: Simplify right side
    13,354.68x = 80,026,551.82
  5. Step 5: Solve for x
    x = 80,026,551.82/13,354.68
  6. Step 6: Final answer
    x = 5,992.40

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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.