Home / 12,273.32-18,417.27-6,431.60

Finding the Fourth Proportional to 12,273.32, 18,417.27 and 6,431.60

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Solution

The fourth proportional to 12,273.32, 18,417.27 and 6,431.60 is: 9,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.32 : 18,417.27 = 6,431.60 : x
  2. Step 2: Convert to fraction form
    12,273.32/18,417.27 = 6,431.60/x
  3. Step 3: Cross multiply
    12,273.32x = 18,417.27 × 6,431.60
  4. Step 4: Simplify right side
    12,273.32x = 118,452,513.73
  5. Step 5: Solve for x
    x = 118,452,513.73/12,273.32
  6. Step 6: Final answer
    x = 9,651.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.