Home / 11,324.40-15,627.82-6,288.94

Finding the Fourth Proportional to 11,324.40, 15,627.82 and 6,288.94

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Solution

The fourth proportional to 11,324.40, 15,627.82 and 6,288.94 is: 8,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.40 : 15,627.82 = 6,288.94 : x
  2. Step 2: Convert to fraction form
    11,324.40/15,627.82 = 6,288.94/x
  3. Step 3: Cross multiply
    11,324.40x = 15,627.82 × 6,288.94
  4. Step 4: Simplify right side
    11,324.40x = 98,282,422.31
  5. Step 5: Solve for x
    x = 98,282,422.31/11,324.40
  6. Step 6: Final answer
    x = 8,678.82

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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.