Home / 16,418.43-22,656.87-9,613.94

Finding the Fourth Proportional to 16,418.43, 22,656.87 and 9,613.94

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Solution

The fourth proportional to 16,418.43, 22,656.87 and 9,613.94 is: 13,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.43 : 22,656.87 = 9,613.94 : x
  2. Step 2: Convert to fraction form
    16,418.43/22,656.87 = 9,613.94/x
  3. Step 3: Cross multiply
    16,418.43x = 22,656.87 × 9,613.94
  4. Step 4: Simplify right side
    16,418.43x = 217,821,675.48
  5. Step 5: Solve for x
    x = 217,821,675.48/16,418.43
  6. Step 6: Final answer
    x = 13,266.90

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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.