Home / 11,320.77-16,977.30-3,923.50

Finding the Fourth Proportional to 11,320.77, 16,977.30 and 3,923.50

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Solution

The fourth proportional to 11,320.77, 16,977.30 and 3,923.50 is: 5,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.77 : 16,977.30 = 3,923.50 : x
  2. Step 2: Convert to fraction form
    11,320.77/16,977.30 = 3,923.50/x
  3. Step 3: Cross multiply
    11,320.77x = 16,977.30 × 3,923.50
  4. Step 4: Simplify right side
    11,320.77x = 66,610,394.11
  5. Step 5: Solve for x
    x = 66,610,394.11/11,320.77
  6. Step 6: Final answer
    x = 5,883.91

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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.