Home / 12,240.53-16,891.89-6,936.36

Finding the Fourth Proportional to 12,240.53, 16,891.89 and 6,936.36

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Solution

The fourth proportional to 12,240.53, 16,891.89 and 6,936.36 is: 9,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.53 : 16,891.89 = 6,936.36 : x
  2. Step 2: Convert to fraction form
    12,240.53/16,891.89 = 6,936.36/x
  3. Step 3: Cross multiply
    12,240.53x = 16,891.89 × 6,936.36
  4. Step 4: Simplify right side
    12,240.53x = 117,168,230.12
  5. Step 5: Solve for x
    x = 117,168,230.12/12,240.53
  6. Step 6: Final answer
    x = 9,572.15

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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.