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Finding the Fourth Proportional to 14,712, 20,302.41 and 10,951.98

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Solution

The fourth proportional to 14,712, 20,302.41 and 10,951.98 is: 15,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712 : 20,302.41 = 10,951.98 : x
  2. Step 2: Convert to fraction form
    14,712/20,302.41 = 10,951.98/x
  3. Step 3: Cross multiply
    14,712x = 20,302.41 × 10,951.98
  4. Step 4: Simplify right side
    14,712x = 222,351,588.27
  5. Step 5: Solve for x
    x = 222,351,588.27/14,712
  6. Step 6: Final answer
    x = 15,113.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.