Home / 11,387.13-15,714.27-6,351.23

Finding the Fourth Proportional to 11,387.13, 15,714.27 and 6,351.23

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Solution

The fourth proportional to 11,387.13, 15,714.27 and 6,351.23 is: 8,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.13 : 15,714.27 = 6,351.23 : x
  2. Step 2: Convert to fraction form
    11,387.13/15,714.27 = 6,351.23/x
  3. Step 3: Cross multiply
    11,387.13x = 15,714.27 × 6,351.23
  4. Step 4: Simplify right side
    11,387.13x = 99,804,832.72
  5. Step 5: Solve for x
    x = 99,804,832.72/11,387.13
  6. Step 6: Final answer
    x = 8,764.70

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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.