Home / 25,363.99-38,054.09-12,217.69

Finding the Fourth Proportional to 25,363.99, 38,054.09 and 12,217.69

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Solution

The fourth proportional to 25,363.99, 38,054.09 and 12,217.69 is: 18,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.99 : 38,054.09 = 12,217.69 : x
  2. Step 2: Convert to fraction form
    25,363.99/38,054.09 = 12,217.69/x
  3. Step 3: Cross multiply
    25,363.99x = 38,054.09 × 12,217.69
  4. Step 4: Simplify right side
    25,363.99x = 464,933,074.85
  5. Step 5: Solve for x
    x = 464,933,074.85/25,363.99
  6. Step 6: Final answer
    x = 18,330.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.