Home / 13,951.22-20,922.72-4,088.16

Finding the Fourth Proportional to 13,951.22, 20,922.72 and 4,088.16

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Solution

The fourth proportional to 13,951.22, 20,922.72 and 4,088.16 is: 6,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.22 : 20,922.72 = 4,088.16 : x
  2. Step 2: Convert to fraction form
    13,951.22/20,922.72 = 4,088.16/x
  3. Step 3: Cross multiply
    13,951.22x = 20,922.72 × 4,088.16
  4. Step 4: Simplify right side
    13,951.22x = 85,535,427.00
  5. Step 5: Solve for x
    x = 85,535,427.00/13,951.22
  6. Step 6: Final answer
    x = 6,131.04

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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.