Home / 12,827.44-17,703.32-7,238

Finding the Fourth Proportional to 12,827.44, 17,703.32 and 7,238

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Solution

The fourth proportional to 12,827.44, 17,703.32 and 7,238 is: 9,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.44 : 17,703.32 = 7,238 : x
  2. Step 2: Convert to fraction form
    12,827.44/17,703.32 = 7,238/x
  3. Step 3: Cross multiply
    12,827.44x = 17,703.32 × 7,238
  4. Step 4: Simplify right side
    12,827.44x = 128,136,630.16
  5. Step 5: Solve for x
    x = 128,136,630.16/12,827.44
  6. Step 6: Final answer
    x = 9,989.26

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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.