Home / 10,857.80-16,288.76-3,740.15

Finding the Fourth Proportional to 10,857.80, 16,288.76 and 3,740.15

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Solution

The fourth proportional to 10,857.80, 16,288.76 and 3,740.15 is: 5,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.80 : 16,288.76 = 3,740.15 : x
  2. Step 2: Convert to fraction form
    10,857.80/16,288.76 = 3,740.15/x
  3. Step 3: Cross multiply
    10,857.80x = 16,288.76 × 3,740.15
  4. Step 4: Simplify right side
    10,857.80x = 60,922,305.57
  5. Step 5: Solve for x
    x = 60,922,305.57/10,857.80
  6. Step 6: Final answer
    x = 5,610.93

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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.