Home / 15,010.49-20,714.86-8,296.20

Finding the Fourth Proportional to 15,010.49, 20,714.86 and 8,296.20

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Solution

The fourth proportional to 15,010.49, 20,714.86 and 8,296.20 is: 11,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.49 : 20,714.86 = 8,296.20 : x
  2. Step 2: Convert to fraction form
    15,010.49/20,714.86 = 8,296.20/x
  3. Step 3: Cross multiply
    15,010.49x = 20,714.86 × 8,296.20
  4. Step 4: Simplify right side
    15,010.49x = 171,854,554.22
  5. Step 5: Solve for x
    x = 171,854,554.22/15,010.49
  6. Step 6: Final answer
    x = 11,448.96

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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.