Home / 11,329.19-15,634.72-6,293.79

Finding the Fourth Proportional to 11,329.19, 15,634.72 and 6,293.79

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Solution

The fourth proportional to 11,329.19, 15,634.72 and 6,293.79 is: 8,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.19 : 15,634.72 = 6,293.79 : x
  2. Step 2: Convert to fraction form
    11,329.19/15,634.72 = 6,293.79/x
  3. Step 3: Cross multiply
    11,329.19x = 15,634.72 × 6,293.79
  4. Step 4: Simplify right side
    11,329.19x = 98,401,644.39
  5. Step 5: Solve for x
    x = 98,401,644.39/11,329.19
  6. Step 6: Final answer
    x = 8,685.67

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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.