Home / 15,010.21-22,519.23-8,775.55

Finding the Fourth Proportional to 15,010.21, 22,519.23 and 8,775.55

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Solution

The fourth proportional to 15,010.21, 22,519.23 and 8,775.55 is: 13,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.21 : 22,519.23 = 8,775.55 : x
  2. Step 2: Convert to fraction form
    15,010.21/22,519.23 = 8,775.55/x
  3. Step 3: Cross multiply
    15,010.21x = 22,519.23 × 8,775.55
  4. Step 4: Simplify right side
    15,010.21x = 197,618,628.83
  5. Step 5: Solve for x
    x = 197,618,628.83/15,010.21
  6. Step 6: Final answer
    x = 13,165.61

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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.