Home / 11,141.46-15,375.51-6,426

Finding the Fourth Proportional to 11,141.46, 15,375.51 and 6,426

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Solution

The fourth proportional to 11,141.46, 15,375.51 and 6,426 is: 8,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.46 : 15,375.51 = 6,426 : x
  2. Step 2: Convert to fraction form
    11,141.46/15,375.51 = 6,426/x
  3. Step 3: Cross multiply
    11,141.46x = 15,375.51 × 6,426
  4. Step 4: Simplify right side
    11,141.46x = 98,803,027.26
  5. Step 5: Solve for x
    x = 98,803,027.26/11,141.46
  6. Step 6: Final answer
    x = 8,868.05

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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.