Home / 16,911.04-25,359.84-5,815.36

Finding the Fourth Proportional to 16,911.04, 25,359.84 and 5,815.36

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Solution

The fourth proportional to 16,911.04, 25,359.84 and 5,815.36 is: 8,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.04 : 25,359.84 = 5,815.36 : x
  2. Step 2: Convert to fraction form
    16,911.04/25,359.84 = 5,815.36/x
  3. Step 3: Cross multiply
    16,911.04x = 25,359.84 × 5,815.36
  4. Step 4: Simplify right side
    16,911.04x = 147,476,599.14
  5. Step 5: Solve for x
    x = 147,476,599.14/16,911.04
  6. Step 6: Final answer
    x = 8,720.73

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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.