Home / 11,329.50-15,634.71-6,361.50

Finding the Fourth Proportional to 11,329.50, 15,634.71 and 6,361.50

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Solution

The fourth proportional to 11,329.50, 15,634.71 and 6,361.50 is: 8,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.50 : 15,634.71 = 6,361.50 : x
  2. Step 2: Convert to fraction form
    11,329.50/15,634.71 = 6,361.50/x
  3. Step 3: Cross multiply
    11,329.50x = 15,634.71 × 6,361.50
  4. Step 4: Simplify right side
    11,329.50x = 99,460,207.67
  5. Step 5: Solve for x
    x = 99,460,207.67/11,329.50
  6. Step 6: Final answer
    x = 8,778.87

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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.