Home / 13,485.56-20,212.43-6,081.35

Finding the Fourth Proportional to 13,485.56, 20,212.43 and 6,081.35

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Solution

The fourth proportional to 13,485.56, 20,212.43 and 6,081.35 is: 9,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.56 : 20,212.43 = 6,081.35 : x
  2. Step 2: Convert to fraction form
    13,485.56/20,212.43 = 6,081.35/x
  3. Step 3: Cross multiply
    13,485.56x = 20,212.43 × 6,081.35
  4. Step 4: Simplify right side
    13,485.56x = 122,918,729.71
  5. Step 5: Solve for x
    x = 122,918,729.71/13,485.56
  6. Step 6: Final answer
    x = 9,114.84

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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.