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Finding the Fourth Proportional to 12,941, 17,858.60 and 7,353.08

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Solution

The fourth proportional to 12,941, 17,858.60 and 7,353.08 is: 10,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941 : 17,858.60 = 7,353.08 : x
  2. Step 2: Convert to fraction form
    12,941/17,858.60 = 7,353.08/x
  3. Step 3: Cross multiply
    12,941x = 17,858.60 × 7,353.08
  4. Step 4: Simplify right side
    12,941x = 131,315,714.49
  5. Step 5: Solve for x
    x = 131,315,714.49/12,941
  6. Step 6: Final answer
    x = 10,147.26

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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.