Home / 11,315.92-16,975.64-5,472.92

Finding the Fourth Proportional to 11,315.92, 16,975.64 and 5,472.92

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Solution

The fourth proportional to 11,315.92, 16,975.64 and 5,472.92 is: 8,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.92 : 16,975.64 = 5,472.92 : x
  2. Step 2: Convert to fraction form
    11,315.92/16,975.64 = 5,472.92/x
  3. Step 3: Cross multiply
    11,315.92x = 16,975.64 × 5,472.92
  4. Step 4: Simplify right side
    11,315.92x = 92,906,319.67
  5. Step 5: Solve for x
    x = 92,906,319.67/11,315.92
  6. Step 6: Final answer
    x = 8,210.23

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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.