Home / 22,155.76-30,575.43-12,594.13

Finding the Fourth Proportional to 22,155.76, 30,575.43 and 12,594.13

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Solution

The fourth proportional to 22,155.76, 30,575.43 and 12,594.13 is: 17,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.76 : 30,575.43 = 12,594.13 : x
  2. Step 2: Convert to fraction form
    22,155.76/30,575.43 = 12,594.13/x
  3. Step 3: Cross multiply
    22,155.76x = 30,575.43 × 12,594.13
  4. Step 4: Simplify right side
    22,155.76x = 385,070,940.23
  5. Step 5: Solve for x
    x = 385,070,940.23/22,155.76
  6. Step 6: Final answer
    x = 17,380.17

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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.