Home / 16,908.04-25,369.46-9,107.72

Finding the Fourth Proportional to 16,908.04, 25,369.46 and 9,107.72

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Solution

The fourth proportional to 16,908.04, 25,369.46 and 9,107.72 is: 13,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.04 : 25,369.46 = 9,107.72 : x
  2. Step 2: Convert to fraction form
    16,908.04/25,369.46 = 9,107.72/x
  3. Step 3: Cross multiply
    16,908.04x = 25,369.46 × 9,107.72
  4. Step 4: Simplify right side
    16,908.04x = 231,057,938.23
  5. Step 5: Solve for x
    x = 231,057,938.23/16,908.04
  6. Step 6: Final answer
    x = 13,665.57

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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.