Home / 20,418.48-30,599.37-9,297.99

Finding the Fourth Proportional to 20,418.48, 30,599.37 and 9,297.99

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Solution

The fourth proportional to 20,418.48, 30,599.37 and 9,297.99 is: 13,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418.48 : 30,599.37 = 9,297.99 : x
  2. Step 2: Convert to fraction form
    20,418.48/30,599.37 = 9,297.99/x
  3. Step 3: Cross multiply
    20,418.48x = 30,599.37 × 9,297.99
  4. Step 4: Simplify right side
    20,418.48x = 284,512,636.27
  5. Step 5: Solve for x
    x = 284,512,636.27/20,418.48
  6. Step 6: Final answer
    x = 13,934.08

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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.