Home / 22,389.44-33,580.45-8,345.74

Finding the Fourth Proportional to 22,389.44, 33,580.45 and 8,345.74

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Solution

The fourth proportional to 22,389.44, 33,580.45 and 8,345.74 is: 12,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.44 : 33,580.45 = 8,345.74 : x
  2. Step 2: Convert to fraction form
    22,389.44/33,580.45 = 8,345.74/x
  3. Step 3: Cross multiply
    22,389.44x = 33,580.45 × 8,345.74
  4. Step 4: Simplify right side
    22,389.44x = 280,253,667.96
  5. Step 5: Solve for x
    x = 280,253,667.96/22,389.44
  6. Step 6: Final answer
    x = 12,517.22

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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.