Home / 13,224.09-19,786.06-8,159.47

Finding the Fourth Proportional to 13,224.09, 19,786.06 and 8,159.47

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Solution

The fourth proportional to 13,224.09, 19,786.06 and 8,159.47 is: 12,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.09 : 19,786.06 = 8,159.47 : x
  2. Step 2: Convert to fraction form
    13,224.09/19,786.06 = 8,159.47/x
  3. Step 3: Cross multiply
    13,224.09x = 19,786.06 × 8,159.47
  4. Step 4: Simplify right side
    13,224.09x = 161,443,677.83
  5. Step 5: Solve for x
    x = 161,443,677.83/13,224.09
  6. Step 6: Final answer
    x = 12,208.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.