Home / 12,538.97-17,303.66-6,874.03

Finding the Fourth Proportional to 12,538.97, 17,303.66 and 6,874.03

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Solution

The fourth proportional to 12,538.97, 17,303.66 and 6,874.03 is: 9,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.97 : 17,303.66 = 6,874.03 : x
  2. Step 2: Convert to fraction form
    12,538.97/17,303.66 = 6,874.03/x
  3. Step 3: Cross multiply
    12,538.97x = 17,303.66 × 6,874.03
  4. Step 4: Simplify right side
    12,538.97x = 118,945,851.88
  5. Step 5: Solve for x
    x = 118,945,851.88/12,538.97
  6. Step 6: Final answer
    x = 9,486.10

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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.