Home / 13,177.57-19,766.24-5,380.91

Finding the Fourth Proportional to 13,177.57, 19,766.24 and 5,380.91

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Solution

The fourth proportional to 13,177.57, 19,766.24 and 5,380.91 is: 8,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.57 : 19,766.24 = 5,380.91 : x
  2. Step 2: Convert to fraction form
    13,177.57/19,766.24 = 5,380.91/x
  3. Step 3: Cross multiply
    13,177.57x = 19,766.24 × 5,380.91
  4. Step 4: Simplify right side
    13,177.57x = 106,360,358.48
  5. Step 5: Solve for x
    x = 106,360,358.48/13,177.57
  6. Step 6: Final answer
    x = 8,071.32

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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.