Home / 16,725.82-23,081.66-9,172.20

Finding the Fourth Proportional to 16,725.82, 23,081.66 and 9,172.20

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Solution

The fourth proportional to 16,725.82, 23,081.66 and 9,172.20 is: 12,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.82 : 23,081.66 = 9,172.20 : x
  2. Step 2: Convert to fraction form
    16,725.82/23,081.66 = 9,172.20/x
  3. Step 3: Cross multiply
    16,725.82x = 23,081.66 × 9,172.20
  4. Step 4: Simplify right side
    16,725.82x = 211,709,602.48
  5. Step 5: Solve for x
    x = 211,709,602.48/16,725.82
  6. Step 6: Final answer
    x = 12,657.65

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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.