Home / 11,717.29-16,170.96-7,001.47

Finding the Fourth Proportional to 11,717.29, 16,170.96 and 7,001.47

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Solution

The fourth proportional to 11,717.29, 16,170.96 and 7,001.47 is: 9,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.29 : 16,170.96 = 7,001.47 : x
  2. Step 2: Convert to fraction form
    11,717.29/16,170.96 = 7,001.47/x
  3. Step 3: Cross multiply
    11,717.29x = 16,170.96 × 7,001.47
  4. Step 4: Simplify right side
    11,717.29x = 113,220,491.31
  5. Step 5: Solve for x
    x = 113,220,491.31/11,717.29
  6. Step 6: Final answer
    x = 9,662.69

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1.5x scale

Why These Related Problems?

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