Home / 13,155.41-19,728.49-3,792.92

Finding the Fourth Proportional to 13,155.41, 19,728.49 and 3,792.92

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Solution

The fourth proportional to 13,155.41, 19,728.49 and 3,792.92 is: 5,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.41 : 19,728.49 = 3,792.92 : x
  2. Step 2: Convert to fraction form
    13,155.41/19,728.49 = 3,792.92/x
  3. Step 3: Cross multiply
    13,155.41x = 19,728.49 × 3,792.92
  4. Step 4: Simplify right side
    13,155.41x = 74,828,584.29
  5. Step 5: Solve for x
    x = 74,828,584.29/13,155.41
  6. Step 6: Final answer
    x = 5,688.05

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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.