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Finding the Fourth Proportional to 19,954.23, 29,938.51 and 8,551.37

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Solution

The fourth proportional to 19,954.23, 29,938.51 and 8,551.37 is: 12,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.23 : 29,938.51 = 8,551.37 : x
  2. Step 2: Convert to fraction form
    19,954.23/29,938.51 = 8,551.37/x
  3. Step 3: Cross multiply
    19,954.23x = 29,938.51 × 8,551.37
  4. Step 4: Simplify right side
    19,954.23x = 256,015,276.26
  5. Step 5: Solve for x
    x = 256,015,276.26/19,954.23
  6. Step 6: Final answer
    x = 12,830.13

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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.