Home / 10,240.11-15,345.74-8,150.83

Finding the Fourth Proportional to 10,240.11, 15,345.74 and 8,150.83

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Solution

The fourth proportional to 10,240.11, 15,345.74 and 8,150.83 is: 12,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.11 : 15,345.74 = 8,150.83 : x
  2. Step 2: Convert to fraction form
    10,240.11/15,345.74 = 8,150.83/x
  3. Step 3: Cross multiply
    10,240.11x = 15,345.74 × 8,150.83
  4. Step 4: Simplify right side
    10,240.11x = 125,080,499.98
  5. Step 5: Solve for x
    x = 125,080,499.98/10,240.11
  6. Step 6: Final answer
    x = 12,214.76

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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.