Home / 16,812.90-25,218.81-6,949.26

Finding the Fourth Proportional to 16,812.90, 25,218.81 and 6,949.26

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Solution

The fourth proportional to 16,812.90, 25,218.81 and 6,949.26 is: 10,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.90 : 25,218.81 = 6,949.26 : x
  2. Step 2: Convert to fraction form
    16,812.90/25,218.81 = 6,949.26/x
  3. Step 3: Cross multiply
    16,812.90x = 25,218.81 × 6,949.26
  4. Step 4: Simplify right side
    16,812.90x = 175,252,067.58
  5. Step 5: Solve for x
    x = 175,252,067.58/16,812.90
  6. Step 6: Final answer
    x = 10,423.67

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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.