Home / 15,290.23-22,883.49-9,138.55

Finding the Fourth Proportional to 15,290.23, 22,883.49 and 9,138.55

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Solution

The fourth proportional to 15,290.23, 22,883.49 and 9,138.55 is: 13,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.23 : 22,883.49 = 9,138.55 : x
  2. Step 2: Convert to fraction form
    15,290.23/22,883.49 = 9,138.55/x
  3. Step 3: Cross multiply
    15,290.23x = 22,883.49 × 9,138.55
  4. Step 4: Simplify right side
    15,290.23x = 209,121,917.54
  5. Step 5: Solve for x
    x = 209,121,917.54/15,290.23
  6. Step 6: Final answer
    x = 13,676.83

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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.