Home / 25,418.62-38,140.91-12,106.67

Finding the Fourth Proportional to 25,418.62, 38,140.91 and 12,106.67

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Solution

The fourth proportional to 25,418.62, 38,140.91 and 12,106.67 is: 18,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.62 : 38,140.91 = 12,106.67 : x
  2. Step 2: Convert to fraction form
    25,418.62/38,140.91 = 12,106.67/x
  3. Step 3: Cross multiply
    25,418.62x = 38,140.91 × 12,106.67
  4. Step 4: Simplify right side
    25,418.62x = 461,759,410.87
  5. Step 5: Solve for x
    x = 461,759,410.87/25,418.62
  6. Step 6: Final answer
    x = 18,166.19

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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.