Home / 18,206.21-25,132.32-12,241.34

Finding the Fourth Proportional to 18,206.21, 25,132.32 and 12,241.34

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Solution

The fourth proportional to 18,206.21, 25,132.32 and 12,241.34 is: 16,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.21 : 25,132.32 = 12,241.34 : x
  2. Step 2: Convert to fraction form
    18,206.21/25,132.32 = 12,241.34/x
  3. Step 3: Cross multiply
    18,206.21x = 25,132.32 × 12,241.34
  4. Step 4: Simplify right side
    18,206.21x = 307,653,274.11
  5. Step 5: Solve for x
    x = 307,653,274.11/18,206.21
  6. Step 6: Final answer
    x = 16,898.26

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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.