Home / 16,979.92-23,415.96-13,197.67

Finding the Fourth Proportional to 16,979.92, 23,415.96 and 13,197.67

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Solution

The fourth proportional to 16,979.92, 23,415.96 and 13,197.67 is: 18,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.92 : 23,415.96 = 13,197.67 : x
  2. Step 2: Convert to fraction form
    16,979.92/23,415.96 = 13,197.67/x
  3. Step 3: Cross multiply
    16,979.92x = 23,415.96 × 13,197.67
  4. Step 4: Simplify right side
    16,979.92x = 309,036,112.81
  5. Step 5: Solve for x
    x = 309,036,112.81/16,979.92
  6. Step 6: Final answer
    x = 18,200.09

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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.