Home / 18,803.08-28,204.65-4,763.11

Finding the Fourth Proportional to 18,803.08, 28,204.65 and 4,763.11

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Solution

The fourth proportional to 18,803.08, 28,204.65 and 4,763.11 is: 7,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.08 : 28,204.65 = 4,763.11 : x
  2. Step 2: Convert to fraction form
    18,803.08/28,204.65 = 4,763.11/x
  3. Step 3: Cross multiply
    18,803.08x = 28,204.65 × 4,763.11
  4. Step 4: Simplify right side
    18,803.08x = 134,341,709.44
  5. Step 5: Solve for x
    x = 134,341,709.44/18,803.08
  6. Step 6: Final answer
    x = 7,144.67

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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.