Home / 14,621.39-20,177.26-8,247.99

Finding the Fourth Proportional to 14,621.39, 20,177.26 and 8,247.99

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Solution

The fourth proportional to 14,621.39, 20,177.26 and 8,247.99 is: 11,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.39 : 20,177.26 = 8,247.99 : x
  2. Step 2: Convert to fraction form
    14,621.39/20,177.26 = 8,247.99/x
  3. Step 3: Cross multiply
    14,621.39x = 20,177.26 × 8,247.99
  4. Step 4: Simplify right side
    14,621.39x = 166,421,849.02
  5. Step 5: Solve for x
    x = 166,421,849.02/14,621.39
  6. Step 6: Final answer
    x = 11,382.09

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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.