Home / 8,246.12-12,358.24-7,145.34

Finding the Fourth Proportional to 8,246.12, 12,358.24 and 7,145.34

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Solution

The fourth proportional to 8,246.12, 12,358.24 and 7,145.34 is: 10,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.12 : 12,358.24 = 7,145.34 : x
  2. Step 2: Convert to fraction form
    8,246.12/12,358.24 = 7,145.34/x
  3. Step 3: Cross multiply
    8,246.12x = 12,358.24 × 7,145.34
  4. Step 4: Simplify right side
    8,246.12x = 88,303,826.60
  5. Step 5: Solve for x
    x = 88,303,826.60/8,246.12
  6. Step 6: Final answer
    x = 10,708.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.