Home / 12,502.11-18,753.19-5,106.57

Finding the Fourth Proportional to 12,502.11, 18,753.19 and 5,106.57

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Solution

The fourth proportional to 12,502.11, 18,753.19 and 5,106.57 is: 7,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.11 : 18,753.19 = 5,106.57 : x
  2. Step 2: Convert to fraction form
    12,502.11/18,753.19 = 5,106.57/x
  3. Step 3: Cross multiply
    12,502.11x = 18,753.19 × 5,106.57
  4. Step 4: Simplify right side
    12,502.11x = 95,764,477.46
  5. Step 5: Solve for x
    x = 95,764,477.46/12,502.11
  6. Step 6: Final answer
    x = 7,659.87

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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.