Home / 18,790.30-25,930.99-10,292.42

Finding the Fourth Proportional to 18,790.30, 25,930.99 and 10,292.42

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Solution

The fourth proportional to 18,790.30, 25,930.99 and 10,292.42 is: 14,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.30 : 25,930.99 = 10,292.42 : x
  2. Step 2: Convert to fraction form
    18,790.30/25,930.99 = 10,292.42/x
  3. Step 3: Cross multiply
    18,790.30x = 25,930.99 × 10,292.42
  4. Step 4: Simplify right side
    18,790.30x = 266,892,722.80
  5. Step 5: Solve for x
    x = 266,892,722.80/18,790.30
  6. Step 6: Final answer
    x = 14,203.75

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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.