Home / 14,994.11-20,691.75-8,280.19

Finding the Fourth Proportional to 14,994.11, 20,691.75 and 8,280.19

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Solution

The fourth proportional to 14,994.11, 20,691.75 and 8,280.19 is: 11,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.11 : 20,691.75 = 8,280.19 : x
  2. Step 2: Convert to fraction form
    14,994.11/20,691.75 = 8,280.19/x
  3. Step 3: Cross multiply
    14,994.11x = 20,691.75 × 8,280.19
  4. Step 4: Simplify right side
    14,994.11x = 171,331,591.05
  5. Step 5: Solve for x
    x = 171,331,591.05/14,994.11
  6. Step 6: Final answer
    x = 11,426.60

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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.