Home / 20,031.03-27,638.30-11,963.22

Finding the Fourth Proportional to 20,031.03, 27,638.30 and 11,963.22

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Solution

The fourth proportional to 20,031.03, 27,638.30 and 11,963.22 is: 16,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.03 : 27,638.30 = 11,963.22 : x
  2. Step 2: Convert to fraction form
    20,031.03/27,638.30 = 11,963.22/x
  3. Step 3: Cross multiply
    20,031.03x = 27,638.30 × 11,963.22
  4. Step 4: Simplify right side
    20,031.03x = 330,643,000.03
  5. Step 5: Solve for x
    x = 330,643,000.03/20,031.03
  6. Step 6: Final answer
    x = 16,506.54

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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.