Home / 12,538.68-17,303.02-6,873.54

Finding the Fourth Proportional to 12,538.68, 17,303.02 and 6,873.54

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Solution

The fourth proportional to 12,538.68, 17,303.02 and 6,873.54 is: 9,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.68 : 17,303.02 = 6,873.54 : x
  2. Step 2: Convert to fraction form
    12,538.68/17,303.02 = 6,873.54/x
  3. Step 3: Cross multiply
    12,538.68x = 17,303.02 × 6,873.54
  4. Step 4: Simplify right side
    12,538.68x = 118,933,000.09
  5. Step 5: Solve for x
    x = 118,933,000.09/12,538.68
  6. Step 6: Final answer
    x = 9,485.29

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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.