Home / 11,346.48-15,658.56-6,311.28

Finding the Fourth Proportional to 11,346.48, 15,658.56 and 6,311.28

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Solution

The fourth proportional to 11,346.48, 15,658.56 and 6,311.28 is: 8,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.48 : 15,658.56 = 6,311.28 : x
  2. Step 2: Convert to fraction form
    11,346.48/15,658.56 = 6,311.28/x
  3. Step 3: Cross multiply
    11,346.48x = 15,658.56 × 6,311.28
  4. Step 4: Simplify right side
    11,346.48x = 98,825,556.56
  5. Step 5: Solve for x
    x = 98,825,556.56/11,346.48
  6. Step 6: Final answer
    x = 8,709.80

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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.