Home / 22,155.21-30,568.94-12,594.35

Finding the Fourth Proportional to 22,155.21, 30,568.94 and 12,594.35

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Solution

The fourth proportional to 22,155.21, 30,568.94 and 12,594.35 is: 17,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.21 : 30,568.94 = 12,594.35 : x
  2. Step 2: Convert to fraction form
    22,155.21/30,568.94 = 12,594.35/x
  3. Step 3: Cross multiply
    22,155.21x = 30,568.94 × 12,594.35
  4. Step 4: Simplify right side
    22,155.21x = 384,995,929.49
  5. Step 5: Solve for x
    x = 384,995,929.49/22,155.21
  6. Step 6: Final answer
    x = 17,377.22

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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.