Home / 11,822.49-16,307.82-7,039.26

Finding the Fourth Proportional to 11,822.49, 16,307.82 and 7,039.26

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Solution

The fourth proportional to 11,822.49, 16,307.82 and 7,039.26 is: 9,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.49 : 16,307.82 = 7,039.26 : x
  2. Step 2: Convert to fraction form
    11,822.49/16,307.82 = 7,039.26/x
  3. Step 3: Cross multiply
    11,822.49x = 16,307.82 × 7,039.26
  4. Step 4: Simplify right side
    11,822.49x = 114,794,985.01
  5. Step 5: Solve for x
    x = 114,794,985.01/11,822.49
  6. Step 6: Final answer
    x = 9,709.88

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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.