Home / 12,707.14-19,072.42-6,471.66

Finding the Fourth Proportional to 12,707.14, 19,072.42 and 6,471.66

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Solution

The fourth proportional to 12,707.14, 19,072.42 and 6,471.66 is: 9,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.14 : 19,072.42 = 6,471.66 : x
  2. Step 2: Convert to fraction form
    12,707.14/19,072.42 = 6,471.66/x
  3. Step 3: Cross multiply
    12,707.14x = 19,072.42 × 6,471.66
  4. Step 4: Simplify right side
    12,707.14x = 123,430,217.62
  5. Step 5: Solve for x
    x = 123,430,217.62/12,707.14
  6. Step 6: Final answer
    x = 9,713.45

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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.