Home / 13,575.39-20,364.30-3,714.72

Finding the Fourth Proportional to 13,575.39, 20,364.30 and 3,714.72

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Solution

The fourth proportional to 13,575.39, 20,364.30 and 3,714.72 is: 5,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.39 : 20,364.30 = 3,714.72 : x
  2. Step 2: Convert to fraction form
    13,575.39/20,364.30 = 3,714.72/x
  3. Step 3: Cross multiply
    13,575.39x = 20,364.30 × 3,714.72
  4. Step 4: Simplify right side
    13,575.39x = 75,647,672.50
  5. Step 5: Solve for x
    x = 75,647,672.50/13,575.39
  6. Step 6: Final answer
    x = 5,572.41

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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.