Home / 13,505.32-20,260.14-5,714.20

Finding the Fourth Proportional to 13,505.32, 20,260.14 and 5,714.20

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Solution

The fourth proportional to 13,505.32, 20,260.14 and 5,714.20 is: 8,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.32 : 20,260.14 = 5,714.20 : x
  2. Step 2: Convert to fraction form
    13,505.32/20,260.14 = 5,714.20/x
  3. Step 3: Cross multiply
    13,505.32x = 20,260.14 × 5,714.20
  4. Step 4: Simplify right side
    13,505.32x = 115,770,362.12
  5. Step 5: Solve for x
    x = 115,770,362.12/13,505.32
  6. Step 6: Final answer
    x = 8,572.21

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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.