Home / 16,881.20-23,295.96-9,328.05

Finding the Fourth Proportional to 16,881.20, 23,295.96 and 9,328.05

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Solution

The fourth proportional to 16,881.20, 23,295.96 and 9,328.05 is: 12,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.20 : 23,295.96 = 9,328.05 : x
  2. Step 2: Convert to fraction form
    16,881.20/23,295.96 = 9,328.05/x
  3. Step 3: Cross multiply
    16,881.20x = 23,295.96 × 9,328.05
  4. Step 4: Simplify right side
    16,881.20x = 217,305,792.32
  5. Step 5: Solve for x
    x = 217,305,792.32/16,881.20
  6. Step 6: Final answer
    x = 12,872.65

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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.