Home / 10,639.86-15,960.68-3,244.38

Finding the Fourth Proportional to 10,639.86, 15,960.68 and 3,244.38

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Solution

The fourth proportional to 10,639.86, 15,960.68 and 3,244.38 is: 4,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.86 : 15,960.68 = 3,244.38 : x
  2. Step 2: Convert to fraction form
    10,639.86/15,960.68 = 3,244.38/x
  3. Step 3: Cross multiply
    10,639.86x = 15,960.68 × 3,244.38
  4. Step 4: Simplify right side
    10,639.86x = 51,782,510.98
  5. Step 5: Solve for x
    x = 51,782,510.98/10,639.86
  6. Step 6: Final answer
    x = 4,866.84

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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.