Home / 13,884.45-20,826.47-3,354.38

Finding the Fourth Proportional to 13,884.45, 20,826.47 and 3,354.38

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Solution

The fourth proportional to 13,884.45, 20,826.47 and 3,354.38 is: 5,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.45 : 20,826.47 = 3,354.38 : x
  2. Step 2: Convert to fraction form
    13,884.45/20,826.47 = 3,354.38/x
  3. Step 3: Cross multiply
    13,884.45x = 20,826.47 × 3,354.38
  4. Step 4: Simplify right side
    13,884.45x = 69,859,894.44
  5. Step 5: Solve for x
    x = 69,859,894.44/13,884.45
  6. Step 6: Final answer
    x = 5,031.52

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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.