Home / 14,072.13-19,417.84-8,105.73

Finding the Fourth Proportional to 14,072.13, 19,417.84 and 8,105.73

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Solution

The fourth proportional to 14,072.13, 19,417.84 and 8,105.73 is: 11,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.13 : 19,417.84 = 8,105.73 : x
  2. Step 2: Convert to fraction form
    14,072.13/19,417.84 = 8,105.73/x
  3. Step 3: Cross multiply
    14,072.13x = 19,417.84 × 8,105.73
  4. Step 4: Simplify right side
    14,072.13x = 157,395,768.22
  5. Step 5: Solve for x
    x = 157,395,768.22/14,072.13
  6. Step 6: Final answer
    x = 11,184.93

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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.