Home / 15,361.95-21,194.36-12,524.42

Finding the Fourth Proportional to 15,361.95, 21,194.36 and 12,524.42

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Solution

The fourth proportional to 15,361.95, 21,194.36 and 12,524.42 is: 17,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.95 : 21,194.36 = 12,524.42 : x
  2. Step 2: Convert to fraction form
    15,361.95/21,194.36 = 12,524.42/x
  3. Step 3: Cross multiply
    15,361.95x = 21,194.36 × 12,524.42
  4. Step 4: Simplify right side
    15,361.95x = 265,447,103.60
  5. Step 5: Solve for x
    x = 265,447,103.60/15,361.95
  6. Step 6: Final answer
    x = 17,279.51

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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.