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Finding the Fourth Proportional to 15,960.65, 23,939.16 and 6,099.71

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Solution

The fourth proportional to 15,960.65, 23,939.16 and 6,099.71 is: 9,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.65 : 23,939.16 = 6,099.71 : x
  2. Step 2: Convert to fraction form
    15,960.65/23,939.16 = 6,099.71/x
  3. Step 3: Cross multiply
    15,960.65x = 23,939.16 × 6,099.71
  4. Step 4: Simplify right side
    15,960.65x = 146,021,933.64
  5. Step 5: Solve for x
    x = 146,021,933.64/15,960.65
  6. Step 6: Final answer
    x = 9,148.87

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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.