Home / 11,186.59-15,437.49-6,150.78

Finding the Fourth Proportional to 11,186.59, 15,437.49 and 6,150.78

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Solution

The fourth proportional to 11,186.59, 15,437.49 and 6,150.78 is: 8,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.59 : 15,437.49 = 6,150.78 : x
  2. Step 2: Convert to fraction form
    11,186.59/15,437.49 = 6,150.78/x
  3. Step 3: Cross multiply
    11,186.59x = 15,437.49 × 6,150.78
  4. Step 4: Simplify right side
    11,186.59x = 94,952,604.74
  5. Step 5: Solve for x
    x = 94,952,604.74/11,186.59
  6. Step 6: Final answer
    x = 8,488.07

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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.