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Finding the Fourth Proportional to 14,051.56, 19,390.44 and 7,762.72

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Solution

The fourth proportional to 14,051.56, 19,390.44 and 7,762.72 is: 10,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.56 : 19,390.44 = 7,762.72 : x
  2. Step 2: Convert to fraction form
    14,051.56/19,390.44 = 7,762.72/x
  3. Step 3: Cross multiply
    14,051.56x = 19,390.44 × 7,762.72
  4. Step 4: Simplify right side
    14,051.56x = 150,522,556.40
  5. Step 5: Solve for x
    x = 150,522,556.40/14,051.56
  6. Step 6: Final answer
    x = 10,712.16

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