Home / 15,224.22-21,016.26-8,937

Finding the Fourth Proportional to 15,224.22, 21,016.26 and 8,937

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Solution

The fourth proportional to 15,224.22, 21,016.26 and 8,937 is: 12,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.22 : 21,016.26 = 8,937 : x
  2. Step 2: Convert to fraction form
    15,224.22/21,016.26 = 8,937/x
  3. Step 3: Cross multiply
    15,224.22x = 21,016.26 × 8,937
  4. Step 4: Simplify right side
    15,224.22x = 187,822,315.62
  5. Step 5: Solve for x
    x = 187,822,315.62/15,224.22
  6. Step 6: Final answer
    x = 12,337.07

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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.