Home / 14,459.86-19,953.62-8,171.82

Finding the Fourth Proportional to 14,459.86, 19,953.62 and 8,171.82

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Solution

The fourth proportional to 14,459.86, 19,953.62 and 8,171.82 is: 11,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.86 : 19,953.62 = 8,171.82 : x
  2. Step 2: Convert to fraction form
    14,459.86/19,953.62 = 8,171.82/x
  3. Step 3: Cross multiply
    14,459.86x = 19,953.62 × 8,171.82
  4. Step 4: Simplify right side
    14,459.86x = 163,057,390.99
  5. Step 5: Solve for x
    x = 163,057,390.99/14,459.86
  6. Step 6: Final answer
    x = 11,276.55

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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.