Home / 15,427.97-21,302.63-11,837.22

Finding the Fourth Proportional to 15,427.97, 21,302.63 and 11,837.22

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Solution

The fourth proportional to 15,427.97, 21,302.63 and 11,837.22 is: 16,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.97 : 21,302.63 = 11,837.22 : x
  2. Step 2: Convert to fraction form
    15,427.97/21,302.63 = 11,837.22/x
  3. Step 3: Cross multiply
    15,427.97x = 21,302.63 × 11,837.22
  4. Step 4: Simplify right side
    15,427.97x = 252,163,943.03
  5. Step 5: Solve for x
    x = 252,163,943.03/15,427.97
  6. Step 6: Final answer
    x = 16,344.60

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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.