Home / 16,917.45-23,345.90-9,363.80

Finding the Fourth Proportional to 16,917.45, 23,345.90 and 9,363.80

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Solution

The fourth proportional to 16,917.45, 23,345.90 and 9,363.80 is: 12,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.45 : 23,345.90 = 9,363.80 : x
  2. Step 2: Convert to fraction form
    16,917.45/23,345.90 = 9,363.80/x
  3. Step 3: Cross multiply
    16,917.45x = 23,345.90 × 9,363.80
  4. Step 4: Simplify right side
    16,917.45x = 218,606,174.87
  5. Step 5: Solve for x
    x = 218,606,174.87/16,917.45
  6. Step 6: Final answer
    x = 12,921.93

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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.