Home / 18,848.42-28,266-5,517.74

Finding the Fourth Proportional to 18,848.42, 28,266 and 5,517.74

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Solution

The fourth proportional to 18,848.42, 28,266 and 5,517.74 is: 8,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.42 : 28,266 = 5,517.74 : x
  2. Step 2: Convert to fraction form
    18,848.42/28,266 = 5,517.74/x
  3. Step 3: Cross multiply
    18,848.42x = 28,266 × 5,517.74
  4. Step 4: Simplify right side
    18,848.42x = 155,964,438.84
  5. Step 5: Solve for x
    x = 155,964,438.84/18,848.42
  6. Step 6: Final answer
    x = 8,274.67

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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.