Home / 16,881.96-23,295.91-9,328.21

Finding the Fourth Proportional to 16,881.96, 23,295.91 and 9,328.21

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Solution

The fourth proportional to 16,881.96, 23,295.91 and 9,328.21 is: 12,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.96 : 23,295.91 = 9,328.21 : x
  2. Step 2: Convert to fraction form
    16,881.96/23,295.91 = 9,328.21/x
  3. Step 3: Cross multiply
    16,881.96x = 23,295.91 × 9,328.21
  4. Step 4: Simplify right side
    16,881.96x = 217,309,140.62
  5. Step 5: Solve for x
    x = 217,309,140.62/16,881.96
  6. Step 6: Final answer
    x = 12,872.27

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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.