Home / 14,099.82-19,455.48-8,132.28

Finding the Fourth Proportional to 14,099.82, 19,455.48 and 8,132.28

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Solution

The fourth proportional to 14,099.82, 19,455.48 and 8,132.28 is: 11,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.82 : 19,455.48 = 8,132.28 : x
  2. Step 2: Convert to fraction form
    14,099.82/19,455.48 = 8,132.28/x
  3. Step 3: Cross multiply
    14,099.82x = 19,455.48 × 8,132.28
  4. Step 4: Simplify right side
    14,099.82x = 158,217,410.89
  5. Step 5: Solve for x
    x = 158,217,410.89/14,099.82
  6. Step 6: Final answer
    x = 11,221.24

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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.