Home / 15,278.82-21,094.29-11,734.98

Finding the Fourth Proportional to 15,278.82, 21,094.29 and 11,734.98

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Solution

The fourth proportional to 15,278.82, 21,094.29 and 11,734.98 is: 16,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.82 : 21,094.29 = 11,734.98 : x
  2. Step 2: Convert to fraction form
    15,278.82/21,094.29 = 11,734.98/x
  3. Step 3: Cross multiply
    15,278.82x = 21,094.29 × 11,734.98
  4. Step 4: Simplify right side
    15,278.82x = 247,541,071.26
  5. Step 5: Solve for x
    x = 247,541,071.26/15,278.82
  6. Step 6: Final answer
    x = 16,201.58

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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.