Home / 13,911.08-20,867.22-4,551.05

Finding the Fourth Proportional to 13,911.08, 20,867.22 and 4,551.05

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Solution

The fourth proportional to 13,911.08, 20,867.22 and 4,551.05 is: 6,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.08 : 20,867.22 = 4,551.05 : x
  2. Step 2: Convert to fraction form
    13,911.08/20,867.22 = 4,551.05/x
  3. Step 3: Cross multiply
    13,911.08x = 20,867.22 × 4,551.05
  4. Step 4: Simplify right side
    13,911.08x = 94,967,813.75
  5. Step 5: Solve for x
    x = 94,967,813.75/13,911.08
  6. Step 6: Final answer
    x = 6,826.78

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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.