Home / 20,873.46-28,804.50-11,441.42

Finding the Fourth Proportional to 20,873.46, 28,804.50 and 11,441.42

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Solution

The fourth proportional to 20,873.46, 28,804.50 and 11,441.42 is: 15,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.46 : 28,804.50 = 11,441.42 : x
  2. Step 2: Convert to fraction form
    20,873.46/28,804.50 = 11,441.42/x
  3. Step 3: Cross multiply
    20,873.46x = 28,804.50 × 11,441.42
  4. Step 4: Simplify right side
    20,873.46x = 329,564,238.37
  5. Step 5: Solve for x
    x = 329,564,238.37/20,873.46
  6. Step 6: Final answer
    x = 15,788.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.