Home / 20,173.06-27,841.26-12,218.02

Finding the Fourth Proportional to 20,173.06, 27,841.26 and 12,218.02

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Solution

The fourth proportional to 20,173.06, 27,841.26 and 12,218.02 is: 16,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.06 : 27,841.26 = 12,218.02 : x
  2. Step 2: Convert to fraction form
    20,173.06/27,841.26 = 12,218.02/x
  3. Step 3: Cross multiply
    20,173.06x = 27,841.26 × 12,218.02
  4. Step 4: Simplify right side
    20,173.06x = 340,165,071.51
  5. Step 5: Solve for x
    x = 340,165,071.51/20,173.06
  6. Step 6: Final answer
    x = 16,862.34

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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.