Home / 13,395.56-20,091.78-3,535.64

Finding the Fourth Proportional to 13,395.56, 20,091.78 and 3,535.64

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Solution

The fourth proportional to 13,395.56, 20,091.78 and 3,535.64 is: 5,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.56 : 20,091.78 = 3,535.64 : x
  2. Step 2: Convert to fraction form
    13,395.56/20,091.78 = 3,535.64/x
  3. Step 3: Cross multiply
    13,395.56x = 20,091.78 × 3,535.64
  4. Step 4: Simplify right side
    13,395.56x = 71,037,301.04
  5. Step 5: Solve for x
    x = 71,037,301.04/13,395.56
  6. Step 6: Final answer
    x = 5,303.05

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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.