Home / 15,272.10-23,012.19-12,559.54

Finding the Fourth Proportional to 15,272.10, 23,012.19 and 12,559.54

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Solution

The fourth proportional to 15,272.10, 23,012.19 and 12,559.54 is: 18,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.10 : 23,012.19 = 12,559.54 : x
  2. Step 2: Convert to fraction form
    15,272.10/23,012.19 = 12,559.54/x
  3. Step 3: Cross multiply
    15,272.10x = 23,012.19 × 12,559.54
  4. Step 4: Simplify right side
    15,272.10x = 289,022,520.79
  5. Step 5: Solve for x
    x = 289,022,520.79/15,272.10
  6. Step 6: Final answer
    x = 18,924.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.