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Finding the Fourth Proportional to 15,738.94, 23,600.71 and 7,411.94

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Solution

The fourth proportional to 15,738.94, 23,600.71 and 7,411.94 is: 11,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,738.94 : 23,600.71 = 7,411.94 : x
  2. Step 2: Convert to fraction form
    15,738.94/23,600.71 = 7,411.94/x
  3. Step 3: Cross multiply
    15,738.94x = 23,600.71 × 7,411.94
  4. Step 4: Simplify right side
    15,738.94x = 174,927,046.48
  5. Step 5: Solve for x
    x = 174,927,046.48/15,738.94
  6. Step 6: Final answer
    x = 11,114.28

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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.