Home / 13,505.44-20,260.32-5,714.32

Finding the Fourth Proportional to 13,505.44, 20,260.32 and 5,714.32

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Solution

The fourth proportional to 13,505.44, 20,260.32 and 5,714.32 is: 8,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.44 : 20,260.32 = 5,714.32 : x
  2. Step 2: Convert to fraction form
    13,505.44/20,260.32 = 5,714.32/x
  3. Step 3: Cross multiply
    13,505.44x = 20,260.32 × 5,714.32
  4. Step 4: Simplify right side
    13,505.44x = 115,773,951.78
  5. Step 5: Solve for x
    x = 115,773,951.78/13,505.44
  6. Step 6: Final answer
    x = 8,572.39

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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.