Home / 18,801.08-28,194.33-10,031.21

Finding the Fourth Proportional to 18,801.08, 28,194.33 and 10,031.21

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Solution

The fourth proportional to 18,801.08, 28,194.33 and 10,031.21 is: 15,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.08 : 28,194.33 = 10,031.21 : x
  2. Step 2: Convert to fraction form
    18,801.08/28,194.33 = 10,031.21/x
  3. Step 3: Cross multiply
    18,801.08x = 28,194.33 × 10,031.21
  4. Step 4: Simplify right side
    18,801.08x = 282,823,245.04
  5. Step 5: Solve for x
    x = 282,823,245.04/18,801.08
  6. Step 6: Final answer
    x = 15,042.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.