Home / 12,714.10-17,542.87-8,237.23

Finding the Fourth Proportional to 12,714.10, 17,542.87 and 8,237.23

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Solution

The fourth proportional to 12,714.10, 17,542.87 and 8,237.23 is: 11,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.10 : 17,542.87 = 8,237.23 : x
  2. Step 2: Convert to fraction form
    12,714.10/17,542.87 = 8,237.23/x
  3. Step 3: Cross multiply
    12,714.10x = 17,542.87 × 8,237.23
  4. Step 4: Simplify right side
    12,714.10x = 144,504,655.05
  5. Step 5: Solve for x
    x = 144,504,655.05/12,714.10
  6. Step 6: Final answer
    x = 11,365.70

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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.