Home / 9,719.92-13,417.86-6,362.86

Finding the Fourth Proportional to 9,719.92, 13,417.86 and 6,362.86

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Solution

The fourth proportional to 9,719.92, 13,417.86 and 6,362.86 is: 8,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.92 : 13,417.86 = 6,362.86 : x
  2. Step 2: Convert to fraction form
    9,719.92/13,417.86 = 6,362.86/x
  3. Step 3: Cross multiply
    9,719.92x = 13,417.86 × 6,362.86
  4. Step 4: Simplify right side
    9,719.92x = 85,375,964.68
  5. Step 5: Solve for x
    x = 85,375,964.68/9,719.92
  6. Step 6: Final answer
    x = 8,783.61

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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.