Home / 12,730.70-19,103.49-5,334.55

Finding the Fourth Proportional to 12,730.70, 19,103.49 and 5,334.55

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Solution

The fourth proportional to 12,730.70, 19,103.49 and 5,334.55 is: 8,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.70 : 19,103.49 = 5,334.55 : x
  2. Step 2: Convert to fraction form
    12,730.70/19,103.49 = 5,334.55/x
  3. Step 3: Cross multiply
    12,730.70x = 19,103.49 × 5,334.55
  4. Step 4: Simplify right side
    12,730.70x = 101,908,474.82
  5. Step 5: Solve for x
    x = 101,908,474.82/12,730.70
  6. Step 6: Final answer
    x = 8,004.94

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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.