Home / 15,939.58-23,908.68-4,252.78

Finding the Fourth Proportional to 15,939.58, 23,908.68 and 4,252.78

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Solution

The fourth proportional to 15,939.58, 23,908.68 and 4,252.78 is: 6,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.58 : 23,908.68 = 4,252.78 : x
  2. Step 2: Convert to fraction form
    15,939.58/23,908.68 = 4,252.78/x
  3. Step 3: Cross multiply
    15,939.58x = 23,908.68 × 4,252.78
  4. Step 4: Simplify right side
    15,939.58x = 101,678,356.13
  5. Step 5: Solve for x
    x = 101,678,356.13/15,939.58
  6. Step 6: Final answer
    x = 6,378.99

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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.