Home / 13,348.45-20,016.60-7,106.86

Finding the Fourth Proportional to 13,348.45, 20,016.60 and 7,106.86

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Solution

The fourth proportional to 13,348.45, 20,016.60 and 7,106.86 is: 10,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.45 : 20,016.60 = 7,106.86 : x
  2. Step 2: Convert to fraction form
    13,348.45/20,016.60 = 7,106.86/x
  3. Step 3: Cross multiply
    13,348.45x = 20,016.60 × 7,106.86
  4. Step 4: Simplify right side
    13,348.45x = 142,255,173.88
  5. Step 5: Solve for x
    x = 142,255,173.88/13,348.45
  6. Step 6: Final answer
    x = 10,657.06

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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.