Home / 16,399.62-22,630.57-9,325.57

Finding the Fourth Proportional to 16,399.62, 22,630.57 and 9,325.57

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Solution

The fourth proportional to 16,399.62, 22,630.57 and 9,325.57 is: 12,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.62 : 22,630.57 = 9,325.57 : x
  2. Step 2: Convert to fraction form
    16,399.62/22,630.57 = 9,325.57/x
  3. Step 3: Cross multiply
    16,399.62x = 22,630.57 × 9,325.57
  4. Step 4: Simplify right side
    16,399.62x = 211,042,964.67
  5. Step 5: Solve for x
    x = 211,042,964.67/16,399.62
  6. Step 6: Final answer
    x = 12,868.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.