Home / 13,608.00-20,406.83-8,062.91

Finding the Fourth Proportional to 13,608.00, 20,406.83 and 8,062.91

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Solution

The fourth proportional to 13,608.00, 20,406.83 and 8,062.91 is: 12,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.00 : 20,406.83 = 8,062.91 : x
  2. Step 2: Convert to fraction form
    13,608.00/20,406.83 = 8,062.91/x
  3. Step 3: Cross multiply
    13,608.00x = 20,406.83 × 8,062.91
  4. Step 4: Simplify right side
    13,608.00x = 164,538,444.38
  5. Step 5: Solve for x
    x = 164,538,444.38/13,608.00
  6. Step 6: Final answer
    x = 12,091.30

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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.