Home / 11,116.91-15,341.82-6,402.71

Finding the Fourth Proportional to 11,116.91, 15,341.82 and 6,402.71

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Solution

The fourth proportional to 11,116.91, 15,341.82 and 6,402.71 is: 8,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.91 : 15,341.82 = 6,402.71 : x
  2. Step 2: Convert to fraction form
    11,116.91/15,341.82 = 6,402.71/x
  3. Step 3: Cross multiply
    11,116.91x = 15,341.82 × 6,402.71
  4. Step 4: Simplify right side
    11,116.91x = 98,229,224.33
  5. Step 5: Solve for x
    x = 98,229,224.33/11,116.91
  6. Step 6: Final answer
    x = 8,836.02

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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.