Home / 12,578.27-18,840.53-9,583.43

Finding the Fourth Proportional to 12,578.27, 18,840.53 and 9,583.43

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Solution

The fourth proportional to 12,578.27, 18,840.53 and 9,583.43 is: 14,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578.27 : 18,840.53 = 9,583.43 : x
  2. Step 2: Convert to fraction form
    12,578.27/18,840.53 = 9,583.43/x
  3. Step 3: Cross multiply
    12,578.27x = 18,840.53 × 9,583.43
  4. Step 4: Simplify right side
    12,578.27x = 180,556,830.17
  5. Step 5: Solve for x
    x = 180,556,830.17/12,578.27
  6. Step 6: Final answer
    x = 14,354.67

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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.