Home / 11,358.20-15,670.73-8,002.86

Finding the Fourth Proportional to 11,358.20, 15,670.73 and 8,002.86

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Solution

The fourth proportional to 11,358.20, 15,670.73 and 8,002.86 is: 11,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.20 : 15,670.73 = 8,002.86 : x
  2. Step 2: Convert to fraction form
    11,358.20/15,670.73 = 8,002.86/x
  3. Step 3: Cross multiply
    11,358.20x = 15,670.73 × 8,002.86
  4. Step 4: Simplify right side
    11,358.20x = 125,410,619.53
  5. Step 5: Solve for x
    x = 125,410,619.53/11,358.20
  6. Step 6: Final answer
    x = 11,041.42

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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.