Home / 18,562.22-25,613.93-11,392.43

Finding the Fourth Proportional to 18,562.22, 25,613.93 and 11,392.43

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Solution

The fourth proportional to 18,562.22, 25,613.93 and 11,392.43 is: 15,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.22 : 25,613.93 = 11,392.43 : x
  2. Step 2: Convert to fraction form
    18,562.22/25,613.93 = 11,392.43/x
  3. Step 3: Cross multiply
    18,562.22x = 25,613.93 × 11,392.43
  4. Step 4: Simplify right side
    18,562.22x = 291,804,997.07
  5. Step 5: Solve for x
    x = 291,804,997.07/18,562.22
  6. Step 6: Final answer
    x = 15,720.38

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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.