Home / 12,203.04-16,840.84-7,725.14

Finding the Fourth Proportional to 12,203.04, 16,840.84 and 7,725.14

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Solution

The fourth proportional to 12,203.04, 16,840.84 and 7,725.14 is: 10,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.04 : 16,840.84 = 7,725.14 : x
  2. Step 2: Convert to fraction form
    12,203.04/16,840.84 = 7,725.14/x
  3. Step 3: Cross multiply
    12,203.04x = 16,840.84 × 7,725.14
  4. Step 4: Simplify right side
    12,203.04x = 130,097,846.72
  5. Step 5: Solve for x
    x = 130,097,846.72/12,203.04
  6. Step 6: Final answer
    x = 10,661.10

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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.