Home / 11,814.87-17,726.33-7,427.19

Finding the Fourth Proportional to 11,814.87, 17,726.33 and 7,427.19

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Solution

The fourth proportional to 11,814.87, 17,726.33 and 7,427.19 is: 11,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.87 : 17,726.33 = 7,427.19 : x
  2. Step 2: Convert to fraction form
    11,814.87/17,726.33 = 7,427.19/x
  3. Step 3: Cross multiply
    11,814.87x = 17,726.33 × 7,427.19
  4. Step 4: Simplify right side
    11,814.87x = 131,656,783.78
  5. Step 5: Solve for x
    x = 131,656,783.78/11,814.87
  6. Step 6: Final answer
    x = 11,143.31

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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.