Home / 11,387.37-15,714.50-6,351.65

Finding the Fourth Proportional to 11,387.37, 15,714.50 and 6,351.65

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Solution

The fourth proportional to 11,387.37, 15,714.50 and 6,351.65 is: 8,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.37 : 15,714.50 = 6,351.65 : x
  2. Step 2: Convert to fraction form
    11,387.37/15,714.50 = 6,351.65/x
  3. Step 3: Cross multiply
    11,387.37x = 15,714.50 × 6,351.65
  4. Step 4: Simplify right side
    11,387.37x = 99,812,893.59
  5. Step 5: Solve for x
    x = 99,812,893.59/11,387.37
  6. Step 6: Final answer
    x = 8,765.23

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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.