Home / 12,853.20-19,288.76-4,963.28

Finding the Fourth Proportional to 12,853.20, 19,288.76 and 4,963.28

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Solution

The fourth proportional to 12,853.20, 19,288.76 and 4,963.28 is: 7,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.20 : 19,288.76 = 4,963.28 : x
  2. Step 2: Convert to fraction form
    12,853.20/19,288.76 = 4,963.28/x
  3. Step 3: Cross multiply
    12,853.20x = 19,288.76 × 4,963.28
  4. Step 4: Simplify right side
    12,853.20x = 95,735,516.73
  5. Step 5: Solve for x
    x = 95,735,516.73/12,853.20
  6. Step 6: Final answer
    x = 7,448.38

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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.