Home / 11,833.88-16,333.60-7,117.26

Finding the Fourth Proportional to 11,833.88, 16,333.60 and 7,117.26

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Solution

The fourth proportional to 11,833.88, 16,333.60 and 7,117.26 is: 9,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.88 : 16,333.60 = 7,117.26 : x
  2. Step 2: Convert to fraction form
    11,833.88/16,333.60 = 7,117.26/x
  3. Step 3: Cross multiply
    11,833.88x = 16,333.60 × 7,117.26
  4. Step 4: Simplify right side
    11,833.88x = 116,250,477.94
  5. Step 5: Solve for x
    x = 116,250,477.94/11,833.88
  6. Step 6: Final answer
    x = 9,823.53

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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.