Home / 15,010.56-20,714.40-8,296.20

Finding the Fourth Proportional to 15,010.56, 20,714.40 and 8,296.20

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Solution

The fourth proportional to 15,010.56, 20,714.40 and 8,296.20 is: 11,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.56 : 20,714.40 = 8,296.20 : x
  2. Step 2: Convert to fraction form
    15,010.56/20,714.40 = 8,296.20/x
  3. Step 3: Cross multiply
    15,010.56x = 20,714.40 × 8,296.20
  4. Step 4: Simplify right side
    15,010.56x = 171,850,805.28
  5. Step 5: Solve for x
    x = 171,850,805.28/15,010.56
  6. Step 6: Final answer
    x = 11,448.66

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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.