Home / 18,206.69-25,132.98-12,241.82

Finding the Fourth Proportional to 18,206.69, 25,132.98 and 12,241.82

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Solution

The fourth proportional to 18,206.69, 25,132.98 and 12,241.82 is: 16,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.69 : 25,132.98 = 12,241.82 : x
  2. Step 2: Convert to fraction form
    18,206.69/25,132.98 = 12,241.82/x
  3. Step 3: Cross multiply
    18,206.69x = 25,132.98 × 12,241.82
  4. Step 4: Simplify right side
    18,206.69x = 307,673,417.22
  5. Step 5: Solve for x
    x = 307,673,417.22/18,206.69
  6. Step 6: Final answer
    x = 16,898.92

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Half scale
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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.