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Finding the Fourth Proportional to 17,901.66, 26,848.29 and 7,368.96

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Solution

The fourth proportional to 17,901.66, 26,848.29 and 7,368.96 is: 11,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.66 : 26,848.29 = 7,368.96 : x
  2. Step 2: Convert to fraction form
    17,901.66/26,848.29 = 7,368.96/x
  3. Step 3: Cross multiply
    17,901.66x = 26,848.29 × 7,368.96
  4. Step 4: Simplify right side
    17,901.66x = 197,843,975.08
  5. Step 5: Solve for x
    x = 197,843,975.08/17,901.66
  6. Step 6: Final answer
    x = 11,051.71

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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.