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Finding the Fourth Proportional to 19,504.29, 29,256.46 and 7,659.29

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Solution

The fourth proportional to 19,504.29, 29,256.46 and 7,659.29 is: 11,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.29 : 29,256.46 = 7,659.29 : x
  2. Step 2: Convert to fraction form
    19,504.29/29,256.46 = 7,659.29/x
  3. Step 3: Cross multiply
    19,504.29x = 29,256.46 × 7,659.29
  4. Step 4: Simplify right side
    19,504.29x = 224,083,765.51
  5. Step 5: Solve for x
    x = 224,083,765.51/19,504.29
  6. Step 6: Final answer
    x = 11,488.95

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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.