Home / 24,150.49-33,330.12-13,540.12

Finding the Fourth Proportional to 24,150.49, 33,330.12 and 13,540.12

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Solution

The fourth proportional to 24,150.49, 33,330.12 and 13,540.12 is: 18,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,150.49 : 33,330.12 = 13,540.12 : x
  2. Step 2: Convert to fraction form
    24,150.49/33,330.12 = 13,540.12/x
  3. Step 3: Cross multiply
    24,150.49x = 33,330.12 × 13,540.12
  4. Step 4: Simplify right side
    24,150.49x = 451,293,824.41
  5. Step 5: Solve for x
    x = 451,293,824.41/24,150.49
  6. Step 6: Final answer
    x = 18,686.74

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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.