Home / 12,643.36-17,452.62-9,508.60

Finding the Fourth Proportional to 12,643.36, 17,452.62 and 9,508.60

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Solution

The fourth proportional to 12,643.36, 17,452.62 and 9,508.60 is: 13,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643.36 : 17,452.62 = 9,508.60 : x
  2. Step 2: Convert to fraction form
    12,643.36/17,452.62 = 9,508.60/x
  3. Step 3: Cross multiply
    12,643.36x = 17,452.62 × 9,508.60
  4. Step 4: Simplify right side
    12,643.36x = 165,949,982.53
  5. Step 5: Solve for x
    x = 165,949,982.53/12,643.36
  6. Step 6: Final answer
    x = 13,125.47

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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.