Home / 14,135.00-19,508.69-8,170.11

Finding the Fourth Proportional to 14,135.00, 19,508.69 and 8,170.11

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Solution

The fourth proportional to 14,135.00, 19,508.69 and 8,170.11 is: 11,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.00 : 19,508.69 = 8,170.11 : x
  2. Step 2: Convert to fraction form
    14,135.00/19,508.69 = 8,170.11/x
  3. Step 3: Cross multiply
    14,135.00x = 19,508.69 × 8,170.11
  4. Step 4: Simplify right side
    14,135.00x = 159,388,163.68
  5. Step 5: Solve for x
    x = 159,388,163.68/14,135.00
  6. Step 6: Final answer
    x = 11,276.14

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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.