Home / 18,788.54-28,184.41-4,937.50

Finding the Fourth Proportional to 18,788.54, 28,184.41 and 4,937.50

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Solution

The fourth proportional to 18,788.54, 28,184.41 and 4,937.50 is: 7,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.54 : 28,184.41 = 4,937.50 : x
  2. Step 2: Convert to fraction form
    18,788.54/28,184.41 = 4,937.50/x
  3. Step 3: Cross multiply
    18,788.54x = 28,184.41 × 4,937.50
  4. Step 4: Simplify right side
    18,788.54x = 139,160,524.38
  5. Step 5: Solve for x
    x = 139,160,524.38/18,788.54
  6. Step 6: Final answer
    x = 7,406.67

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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.