Home / 8,994.68-13,489.96-2,421.36

Finding the Fourth Proportional to 8,994.68, 13,489.96 and 2,421.36

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Solution

The fourth proportional to 8,994.68, 13,489.96 and 2,421.36 is: 3,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.68 : 13,489.96 = 2,421.36 : x
  2. Step 2: Convert to fraction form
    8,994.68/13,489.96 = 2,421.36/x
  3. Step 3: Cross multiply
    8,994.68x = 13,489.96 × 2,421.36
  4. Step 4: Simplify right side
    8,994.68x = 32,664,049.55
  5. Step 5: Solve for x
    x = 32,664,049.55/8,994.68
  6. Step 6: Final answer
    x = 3,631.49

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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.