Home / 12,540.37-17,305.46-6,875.13

Finding the Fourth Proportional to 12,540.37, 17,305.46 and 6,875.13

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Solution

The fourth proportional to 12,540.37, 17,305.46 and 6,875.13 is: 9,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540.37 : 17,305.46 = 6,875.13 : x
  2. Step 2: Convert to fraction form
    12,540.37/17,305.46 = 6,875.13/x
  3. Step 3: Cross multiply
    12,540.37x = 17,305.46 × 6,875.13
  4. Step 4: Simplify right side
    12,540.37x = 118,977,287.21
  5. Step 5: Solve for x
    x = 118,977,287.21/12,540.37
  6. Step 6: Final answer
    x = 9,487.54

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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.