Home / 11,186.76-15,437.79-6,151.31

Finding the Fourth Proportional to 11,186.76, 15,437.79 and 6,151.31

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Solution

The fourth proportional to 11,186.76, 15,437.79 and 6,151.31 is: 8,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.76 : 15,437.79 = 6,151.31 : x
  2. Step 2: Convert to fraction form
    11,186.76/15,437.79 = 6,151.31/x
  3. Step 3: Cross multiply
    11,186.76x = 15,437.79 × 6,151.31
  4. Step 4: Simplify right side
    11,186.76x = 94,962,593.41
  5. Step 5: Solve for x
    x = 94,962,593.41/11,186.76
  6. Step 6: Final answer
    x = 8,488.84

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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.