Home / 11,210.28-15,470.49-6,175.05

Finding the Fourth Proportional to 11,210.28, 15,470.49 and 6,175.05

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Solution

The fourth proportional to 11,210.28, 15,470.49 and 6,175.05 is: 8,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.28 : 15,470.49 = 6,175.05 : x
  2. Step 2: Convert to fraction form
    11,210.28/15,470.49 = 6,175.05/x
  3. Step 3: Cross multiply
    11,210.28x = 15,470.49 × 6,175.05
  4. Step 4: Simplify right side
    11,210.28x = 95,531,049.27
  5. Step 5: Solve for x
    x = 95,531,049.27/11,210.28
  6. Step 6: Final answer
    x = 8,521.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.