Home / 12,127.33-16,736.52-6,822.51

Finding the Fourth Proportional to 12,127.33, 16,736.52 and 6,822.51

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Solution

The fourth proportional to 12,127.33, 16,736.52 and 6,822.51 is: 9,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.33 : 16,736.52 = 6,822.51 : x
  2. Step 2: Convert to fraction form
    12,127.33/16,736.52 = 6,822.51/x
  3. Step 3: Cross multiply
    12,127.33x = 16,736.52 × 6,822.51
  4. Step 4: Simplify right side
    12,127.33x = 114,185,075.07
  5. Step 5: Solve for x
    x = 114,185,075.07/12,127.33
  6. Step 6: Final answer
    x = 9,415.52

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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.