Home / 11,917.10-17,862.68-4,983.50

Finding the Fourth Proportional to 11,917.10, 17,862.68 and 4,983.50

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Solution

The fourth proportional to 11,917.10, 17,862.68 and 4,983.50 is: 7,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.10 : 17,862.68 = 4,983.50 : x
  2. Step 2: Convert to fraction form
    11,917.10/17,862.68 = 4,983.50/x
  3. Step 3: Cross multiply
    11,917.10x = 17,862.68 × 4,983.50
  4. Step 4: Simplify right side
    11,917.10x = 89,018,588.93
  5. Step 5: Solve for x
    x = 89,018,588.93/11,917.10
  6. Step 6: Final answer
    x = 7,469.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.