Home / 22,135.57-30,536.26-13,180.21

Finding the Fourth Proportional to 22,135.57, 30,536.26 and 13,180.21

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Solution

The fourth proportional to 22,135.57, 30,536.26 and 13,180.21 is: 18,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.57 : 30,536.26 = 13,180.21 : x
  2. Step 2: Convert to fraction form
    22,135.57/30,536.26 = 13,180.21/x
  3. Step 3: Cross multiply
    22,135.57x = 30,536.26 × 13,180.21
  4. Step 4: Simplify right side
    22,135.57x = 402,474,319.41
  5. Step 5: Solve for x
    x = 402,474,319.41/22,135.57
  6. Step 6: Final answer
    x = 18,182.24

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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.