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Finding the Fourth Proportional to 12,387.36, 17,094 and 6,798.24

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Solution

The fourth proportional to 12,387.36, 17,094 and 6,798.24 is: 9,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387.36 : 17,094 = 6,798.24 : x
  2. Step 2: Convert to fraction form
    12,387.36/17,094 = 6,798.24/x
  3. Step 3: Cross multiply
    12,387.36x = 17,094 × 6,798.24
  4. Step 4: Simplify right side
    12,387.36x = 116,209,114.56
  5. Step 5: Solve for x
    x = 116,209,114.56/12,387.36
  6. Step 6: Final answer
    x = 9,381.27

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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.