Home / 10,485.27-15,718.17-5,550.75

Finding the Fourth Proportional to 10,485.27, 15,718.17 and 5,550.75

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Solution

The fourth proportional to 10,485.27, 15,718.17 and 5,550.75 is: 8,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.27 : 15,718.17 = 5,550.75 : x
  2. Step 2: Convert to fraction form
    10,485.27/15,718.17 = 5,550.75/x
  3. Step 3: Cross multiply
    10,485.27x = 15,718.17 × 5,550.75
  4. Step 4: Simplify right side
    10,485.27x = 87,247,632.13
  5. Step 5: Solve for x
    x = 87,247,632.13/10,485.27
  6. Step 6: Final answer
    x = 8,320.97

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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.