Home / 13,153.41-19,725.49-3,790.92

Finding the Fourth Proportional to 13,153.41, 19,725.49 and 3,790.92

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Solution

The fourth proportional to 13,153.41, 19,725.49 and 3,790.92 is: 5,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.41 : 19,725.49 = 3,790.92 : x
  2. Step 2: Convert to fraction form
    13,153.41/19,725.49 = 3,790.92/x
  3. Step 3: Cross multiply
    13,153.41x = 19,725.49 × 3,790.92
  4. Step 4: Simplify right side
    13,153.41x = 74,777,754.55
  5. Step 5: Solve for x
    x = 74,777,754.55/13,153.41
  6. Step 6: Final answer
    x = 5,685.05

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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.