Home / 13,404.06-20,107.86-4,969.40

Finding the Fourth Proportional to 13,404.06, 20,107.86 and 4,969.40

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Solution

The fourth proportional to 13,404.06, 20,107.86 and 4,969.40 is: 7,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.06 : 20,107.86 = 4,969.40 : x
  2. Step 2: Convert to fraction form
    13,404.06/20,107.86 = 4,969.40/x
  3. Step 3: Cross multiply
    13,404.06x = 20,107.86 × 4,969.40
  4. Step 4: Simplify right side
    13,404.06x = 99,923,999.48
  5. Step 5: Solve for x
    x = 99,923,999.48/13,404.06
  6. Step 6: Final answer
    x = 7,454.76

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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.