Home / 25,219.10-37,793-10,418.78

Finding the Fourth Proportional to 25,219.10, 37,793 and 10,418.78

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Solution

The fourth proportional to 25,219.10, 37,793 and 10,418.78 is: 15,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.10 : 37,793 = 10,418.78 : x
  2. Step 2: Convert to fraction form
    25,219.10/37,793 = 10,418.78/x
  3. Step 3: Cross multiply
    25,219.10x = 37,793 × 10,418.78
  4. Step 4: Simplify right side
    25,219.10x = 393,756,952.54
  5. Step 5: Solve for x
    x = 393,756,952.54/25,219.10
  6. Step 6: Final answer
    x = 15,613.44

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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.