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Finding the Fourth Proportional to 17,955, 26,910 and 9,614.34

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Solution

The fourth proportional to 17,955, 26,910 and 9,614.34 is: 14,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955 : 26,910 = 9,614.34 : x
  2. Step 2: Convert to fraction form
    17,955/26,910 = 9,614.34/x
  3. Step 3: Cross multiply
    17,955x = 26,910 × 9,614.34
  4. Step 4: Simplify right side
    17,955x = 258,721,889.40
  5. Step 5: Solve for x
    x = 258,721,889.40/17,955
  6. Step 6: Final answer
    x = 14,409.46

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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.