Home / 12,182.45-18,273.67-2,948.45

Finding the Fourth Proportional to 12,182.45, 18,273.67 and 2,948.45

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Solution

The fourth proportional to 12,182.45, 18,273.67 and 2,948.45 is: 4,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.45 : 18,273.67 = 2,948.45 : x
  2. Step 2: Convert to fraction form
    12,182.45/18,273.67 = 2,948.45/x
  3. Step 3: Cross multiply
    12,182.45x = 18,273.67 × 2,948.45
  4. Step 4: Simplify right side
    12,182.45x = 53,878,903.57
  5. Step 5: Solve for x
    x = 53,878,903.57/12,182.45
  6. Step 6: Final answer
    x = 4,422.67

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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.