Home / 17,939.48-26,909.28-8,699

Finding the Fourth Proportional to 17,939.48, 26,909.28 and 8,699

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Solution

The fourth proportional to 17,939.48, 26,909.28 and 8,699 is: 13,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.48 : 26,909.28 = 8,699 : x
  2. Step 2: Convert to fraction form
    17,939.48/26,909.28 = 8,699/x
  3. Step 3: Cross multiply
    17,939.48x = 26,909.28 × 8,699
  4. Step 4: Simplify right side
    17,939.48x = 234,083,826.72
  5. Step 5: Solve for x
    x = 234,083,826.72/17,939.48
  6. Step 6: Final answer
    x = 13,048.53

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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.