Home / 11,375.94-15,699.71-6,341.79

Finding the Fourth Proportional to 11,375.94, 15,699.71 and 6,341.79

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Solution

The fourth proportional to 11,375.94, 15,699.71 and 6,341.79 is: 8,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.94 : 15,699.71 = 6,341.79 : x
  2. Step 2: Convert to fraction form
    11,375.94/15,699.71 = 6,341.79/x
  3. Step 3: Cross multiply
    11,375.94x = 15,699.71 × 6,341.79
  4. Step 4: Simplify right side
    11,375.94x = 99,564,263.88
  5. Step 5: Solve for x
    x = 99,564,263.88/11,375.94
  6. Step 6: Final answer
    x = 8,752.18

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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.