Home / 13,957.38-20,936.34-6,557.76

Finding the Fourth Proportional to 13,957.38, 20,936.34 and 6,557.76

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Solution

The fourth proportional to 13,957.38, 20,936.34 and 6,557.76 is: 9,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.38 : 20,936.34 = 6,557.76 : x
  2. Step 2: Convert to fraction form
    13,957.38/20,936.34 = 6,557.76/x
  3. Step 3: Cross multiply
    13,957.38x = 20,936.34 × 6,557.76
  4. Step 4: Simplify right side
    13,957.38x = 137,295,493.00
  5. Step 5: Solve for x
    x = 137,295,493.00/13,957.38
  6. Step 6: Final answer
    x = 9,836.77

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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.