Home / 14,356.08-19,811.22-8,388.66

Finding the Fourth Proportional to 14,356.08, 19,811.22 and 8,388.66

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Solution

The fourth proportional to 14,356.08, 19,811.22 and 8,388.66 is: 11,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.08 : 19,811.22 = 8,388.66 : x
  2. Step 2: Convert to fraction form
    14,356.08/19,811.22 = 8,388.66/x
  3. Step 3: Cross multiply
    14,356.08x = 19,811.22 × 8,388.66
  4. Step 4: Simplify right side
    14,356.08x = 166,189,588.77
  5. Step 5: Solve for x
    x = 166,189,588.77/14,356.08
  6. Step 6: Final answer
    x = 11,576.25

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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.