Home / 12,258.08-16,896.48-8,277.92

Finding the Fourth Proportional to 12,258.08, 16,896.48 and 8,277.92

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Solution

The fourth proportional to 12,258.08, 16,896.48 and 8,277.92 is: 11,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.08 : 16,896.48 = 8,277.92 : x
  2. Step 2: Convert to fraction form
    12,258.08/16,896.48 = 8,277.92/x
  3. Step 3: Cross multiply
    12,258.08x = 16,896.48 × 8,277.92
  4. Step 4: Simplify right side
    12,258.08x = 139,867,709.72
  5. Step 5: Solve for x
    x = 139,867,709.72/12,258.08
  6. Step 6: Final answer
    x = 11,410.25

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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.