Home / 12,614.08-18,914.68-7,350.76

Finding the Fourth Proportional to 12,614.08, 18,914.68 and 7,350.76

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Solution

The fourth proportional to 12,614.08, 18,914.68 and 7,350.76 is: 11,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.08 : 18,914.68 = 7,350.76 : x
  2. Step 2: Convert to fraction form
    12,614.08/18,914.68 = 7,350.76/x
  3. Step 3: Cross multiply
    12,614.08x = 18,914.68 × 7,350.76
  4. Step 4: Simplify right side
    12,614.08x = 139,037,273.16
  5. Step 5: Solve for x
    x = 139,037,273.16/12,614.08
  6. Step 6: Final answer
    x = 11,022.39

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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.