Home / 15,296.04-21,108.77-8,581.28

Finding the Fourth Proportional to 15,296.04, 21,108.77 and 8,581.28

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Solution

The fourth proportional to 15,296.04, 21,108.77 and 8,581.28 is: 11,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.04 : 21,108.77 = 8,581.28 : x
  2. Step 2: Convert to fraction form
    15,296.04/21,108.77 = 8,581.28/x
  3. Step 3: Cross multiply
    15,296.04x = 21,108.77 × 8,581.28
  4. Step 4: Simplify right side
    15,296.04x = 181,140,149.56
  5. Step 5: Solve for x
    x = 181,140,149.56/15,296.04
  6. Step 6: Final answer
    x = 11,842.29

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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.