Home / 12,557.28-18,836.04-3,792.27

Finding the Fourth Proportional to 12,557.28, 18,836.04 and 3,792.27

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Solution

The fourth proportional to 12,557.28, 18,836.04 and 3,792.27 is: 5,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.28 : 18,836.04 = 3,792.27 : x
  2. Step 2: Convert to fraction form
    12,557.28/18,836.04 = 3,792.27/x
  3. Step 3: Cross multiply
    12,557.28x = 18,836.04 × 3,792.27
  4. Step 4: Simplify right side
    12,557.28x = 71,431,349.41
  5. Step 5: Solve for x
    x = 71,431,349.41/12,557.28
  6. Step 6: Final answer
    x = 5,688.44

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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.