Home / 13,922.58-20,884.84-5,602.67

Finding the Fourth Proportional to 13,922.58, 20,884.84 and 5,602.67

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Solution

The fourth proportional to 13,922.58, 20,884.84 and 5,602.67 is: 8,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.58 : 20,884.84 = 5,602.67 : x
  2. Step 2: Convert to fraction form
    13,922.58/20,884.84 = 5,602.67/x
  3. Step 3: Cross multiply
    13,922.58x = 20,884.84 × 5,602.67
  4. Step 4: Simplify right side
    13,922.58x = 117,010,826.41
  5. Step 5: Solve for x
    x = 117,010,826.41/13,922.58
  6. Step 6: Final answer
    x = 8,404.39

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1.5x scale

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.