Home / 22,523.55-33,739.20-12,642.09

Finding the Fourth Proportional to 22,523.55, 33,739.20 and 12,642.09

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Solution

The fourth proportional to 22,523.55, 33,739.20 and 12,642.09 is: 18,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.55 : 33,739.20 = 12,642.09 : x
  2. Step 2: Convert to fraction form
    22,523.55/33,739.20 = 12,642.09/x
  3. Step 3: Cross multiply
    22,523.55x = 33,739.20 × 12,642.09
  4. Step 4: Simplify right side
    22,523.55x = 426,534,002.93
  5. Step 5: Solve for x
    x = 426,534,002.93/22,523.55
  6. Step 6: Final answer
    x = 18,937.25

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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.