Home / 18,234.35-25,153.76-12,559.34

Finding the Fourth Proportional to 18,234.35, 25,153.76 and 12,559.34

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Solution

The fourth proportional to 18,234.35, 25,153.76 and 12,559.34 is: 17,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.35 : 25,153.76 = 12,559.34 : x
  2. Step 2: Convert to fraction form
    18,234.35/25,153.76 = 12,559.34/x
  3. Step 3: Cross multiply
    18,234.35x = 25,153.76 × 12,559.34
  4. Step 4: Simplify right side
    18,234.35x = 315,914,435.55
  5. Step 5: Solve for x
    x = 315,914,435.55/18,234.35
  6. Step 6: Final answer
    x = 17,325.24

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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.