Home / 15,855.95-23,786.66-5,326.98

Finding the Fourth Proportional to 15,855.95, 23,786.66 and 5,326.98

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Solution

The fourth proportional to 15,855.95, 23,786.66 and 5,326.98 is: 7,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.95 : 23,786.66 = 5,326.98 : x
  2. Step 2: Convert to fraction form
    15,855.95/23,786.66 = 5,326.98/x
  3. Step 3: Cross multiply
    15,855.95x = 23,786.66 × 5,326.98
  4. Step 4: Simplify right side
    15,855.95x = 126,711,035.45
  5. Step 5: Solve for x
    x = 126,711,035.45/15,855.95
  6. Step 6: Final answer
    x = 7,991.39

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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.