Home / 18,246.12-25,179.08-10,288.23

Finding the Fourth Proportional to 18,246.12, 25,179.08 and 10,288.23

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Solution

The fourth proportional to 18,246.12, 25,179.08 and 10,288.23 is: 14,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.12 : 25,179.08 = 10,288.23 : x
  2. Step 2: Convert to fraction form
    18,246.12/25,179.08 = 10,288.23/x
  3. Step 3: Cross multiply
    18,246.12x = 25,179.08 × 10,288.23
  4. Step 4: Simplify right side
    18,246.12x = 259,048,114.79
  5. Step 5: Solve for x
    x = 259,048,114.79/18,246.12
  6. Step 6: Final answer
    x = 14,197.44

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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.