Home / 12,258.72-18,352.62-10,992.60

Finding the Fourth Proportional to 12,258.72, 18,352.62 and 10,992.60

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Solution

The fourth proportional to 12,258.72, 18,352.62 and 10,992.60 is: 16,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.72 : 18,352.62 = 10,992.60 : x
  2. Step 2: Convert to fraction form
    12,258.72/18,352.62 = 10,992.60/x
  3. Step 3: Cross multiply
    12,258.72x = 18,352.62 × 10,992.60
  4. Step 4: Simplify right side
    12,258.72x = 201,743,010.61
  5. Step 5: Solve for x
    x = 201,743,010.61/12,258.72
  6. Step 6: Final answer
    x = 16,457.10

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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.