Home / 17,278.56-23,811.12-12,555.36

Finding the Fourth Proportional to 17,278.56, 23,811.12 and 12,555.36

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Solution

The fourth proportional to 17,278.56, 23,811.12 and 12,555.36 is: 17,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.56 : 23,811.12 = 12,555.36 : x
  2. Step 2: Convert to fraction form
    17,278.56/23,811.12 = 12,555.36/x
  3. Step 3: Cross multiply
    17,278.56x = 23,811.12 × 12,555.36
  4. Step 4: Simplify right side
    17,278.56x = 298,957,183.60
  5. Step 5: Solve for x
    x = 298,957,183.60/17,278.56
  6. Step 6: Final answer
    x = 17,302.20

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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.