Home / 13,936.77-20,911.98-6,541.83

Finding the Fourth Proportional to 13,936.77, 20,911.98 and 6,541.83

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Solution

The fourth proportional to 13,936.77, 20,911.98 and 6,541.83 is: 9,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.77 : 20,911.98 = 6,541.83 : x
  2. Step 2: Convert to fraction form
    13,936.77/20,911.98 = 6,541.83/x
  3. Step 3: Cross multiply
    13,936.77x = 20,911.98 × 6,541.83
  4. Step 4: Simplify right side
    13,936.77x = 136,802,618.12
  5. Step 5: Solve for x
    x = 136,802,618.12/13,936.77
  6. Step 6: Final answer
    x = 9,815.95

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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.