Home / 13,405.95-20,100.83-6,009.03

Finding the Fourth Proportional to 13,405.95, 20,100.83 and 6,009.03

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Solution

The fourth proportional to 13,405.95, 20,100.83 and 6,009.03 is: 9,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.95 : 20,100.83 = 6,009.03 : x
  2. Step 2: Convert to fraction form
    13,405.95/20,100.83 = 6,009.03/x
  3. Step 3: Cross multiply
    13,405.95x = 20,100.83 × 6,009.03
  4. Step 4: Simplify right side
    13,405.95x = 120,786,460.45
  5. Step 5: Solve for x
    x = 120,786,460.45/13,405.95
  6. Step 6: Final answer
    x = 9,009.91

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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.