Home / 19,818.26-27,339.09-15,094.34

Finding the Fourth Proportional to 19,818.26, 27,339.09 and 15,094.34

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Solution

The fourth proportional to 19,818.26, 27,339.09 and 15,094.34 is: 20,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.26 : 27,339.09 = 15,094.34 : x
  2. Step 2: Convert to fraction form
    19,818.26/27,339.09 = 15,094.34/x
  3. Step 3: Cross multiply
    19,818.26x = 27,339.09 × 15,094.34
  4. Step 4: Simplify right side
    19,818.26x = 412,665,519.75
  5. Step 5: Solve for x
    x = 412,665,519.75/19,818.26
  6. Step 6: Final answer
    x = 20,822.49

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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.