Home / 11,110.91-15,336.92-6,397.07

Finding the Fourth Proportional to 11,110.91, 15,336.92 and 6,397.07

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Solution

The fourth proportional to 11,110.91, 15,336.92 and 6,397.07 is: 8,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.91 : 15,336.92 = 6,397.07 : x
  2. Step 2: Convert to fraction form
    11,110.91/15,336.92 = 6,397.07/x
  3. Step 3: Cross multiply
    11,110.91x = 15,336.92 × 6,397.07
  4. Step 4: Simplify right side
    11,110.91x = 98,111,350.82
  5. Step 5: Solve for x
    x = 98,111,350.82/11,110.91
  6. Step 6: Final answer
    x = 8,830.18

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Double scale
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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.