Home / 13,432.58-20,111.94-10,135.66

Finding the Fourth Proportional to 13,432.58, 20,111.94 and 10,135.66

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Solution

The fourth proportional to 13,432.58, 20,111.94 and 10,135.66 is: 15,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.58 : 20,111.94 = 10,135.66 : x
  2. Step 2: Convert to fraction form
    13,432.58/20,111.94 = 10,135.66/x
  3. Step 3: Cross multiply
    13,432.58x = 20,111.94 × 10,135.66
  4. Step 4: Simplify right side
    13,432.58x = 203,847,785.78
  5. Step 5: Solve for x
    x = 203,847,785.78/13,432.58
  6. Step 6: Final answer
    x = 15,175.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.