Home / 14,099.44-19,455.60-8,129.92

Finding the Fourth Proportional to 14,099.44, 19,455.60 and 8,129.92

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Solution

The fourth proportional to 14,099.44, 19,455.60 and 8,129.92 is: 11,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.44 : 19,455.60 = 8,129.92 : x
  2. Step 2: Convert to fraction form
    14,099.44/19,455.60 = 8,129.92/x
  3. Step 3: Cross multiply
    14,099.44x = 19,455.60 × 8,129.92
  4. Step 4: Simplify right side
    14,099.44x = 158,172,471.55
  5. Step 5: Solve for x
    x = 158,172,471.55/14,099.44
  6. Step 6: Final answer
    x = 11,218.35

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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.