Home / 12,273.66-18,417.78-4,881.60

Finding the Fourth Proportional to 12,273.66, 18,417.78 and 4,881.60

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Solution

The fourth proportional to 12,273.66, 18,417.78 and 4,881.60 is: 7,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.66 : 18,417.78 = 4,881.60 : x
  2. Step 2: Convert to fraction form
    12,273.66/18,417.78 = 4,881.60/x
  3. Step 3: Cross multiply
    12,273.66x = 18,417.78 × 4,881.60
  4. Step 4: Simplify right side
    12,273.66x = 89,908,234.85
  5. Step 5: Solve for x
    x = 89,908,234.85/12,273.66
  6. Step 6: Final answer
    x = 7,325.30

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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.