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Finding the Fourth Proportional to 17,051.56, 25,577.04 and 6,663.32

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Solution

The fourth proportional to 17,051.56, 25,577.04 and 6,663.32 is: 9,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,051.56 : 25,577.04 = 6,663.32 : x
  2. Step 2: Convert to fraction form
    17,051.56/25,577.04 = 6,663.32/x
  3. Step 3: Cross multiply
    17,051.56x = 25,577.04 × 6,663.32
  4. Step 4: Simplify right side
    17,051.56x = 170,428,002.17
  5. Step 5: Solve for x
    x = 170,428,002.17/17,051.56
  6. Step 6: Final answer
    x = 9,994.86

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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.