Home / 22,204.08-30,641.70-12,132.74

Finding the Fourth Proportional to 22,204.08, 30,641.70 and 12,132.74

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Solution

The fourth proportional to 22,204.08, 30,641.70 and 12,132.74 is: 16,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.08 : 30,641.70 = 12,132.74 : x
  2. Step 2: Convert to fraction form
    22,204.08/30,641.70 = 12,132.74/x
  3. Step 3: Cross multiply
    22,204.08x = 30,641.70 × 12,132.74
  4. Step 4: Simplify right side
    22,204.08x = 371,767,626.05
  5. Step 5: Solve for x
    x = 371,767,626.05/22,204.08
  6. Step 6: Final answer
    x = 16,743.21

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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.