Home / 12,936.72-17,827.64-9,204.24

Finding the Fourth Proportional to 12,936.72, 17,827.64 and 9,204.24

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Solution

The fourth proportional to 12,936.72, 17,827.64 and 9,204.24 is: 12,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.72 : 17,827.64 = 9,204.24 : x
  2. Step 2: Convert to fraction form
    12,936.72/17,827.64 = 9,204.24/x
  3. Step 3: Cross multiply
    12,936.72x = 17,827.64 × 9,204.24
  4. Step 4: Simplify right side
    12,936.72x = 164,089,877.19
  5. Step 5: Solve for x
    x = 164,089,877.19/12,936.72
  6. Step 6: Final answer
    x = 12,684.04

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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.