Home / 15,614.65-23,421.75-3,927.79

Finding the Fourth Proportional to 15,614.65, 23,421.75 and 3,927.79

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Solution

The fourth proportional to 15,614.65, 23,421.75 and 3,927.79 is: 5,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.65 : 23,421.75 = 3,927.79 : x
  2. Step 2: Convert to fraction form
    15,614.65/23,421.75 = 3,927.79/x
  3. Step 3: Cross multiply
    15,614.65x = 23,421.75 × 3,927.79
  4. Step 4: Simplify right side
    15,614.65x = 91,995,715.43
  5. Step 5: Solve for x
    x = 91,995,715.43/15,614.65
  6. Step 6: Final answer
    x = 5,891.63

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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.