Home / 13,535.58-20,305.53-4,173.33

Finding the Fourth Proportional to 13,535.58, 20,305.53 and 4,173.33

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Solution

The fourth proportional to 13,535.58, 20,305.53 and 4,173.33 is: 6,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.58 : 20,305.53 = 4,173.33 : x
  2. Step 2: Convert to fraction form
    13,535.58/20,305.53 = 4,173.33/x
  3. Step 3: Cross multiply
    13,535.58x = 20,305.53 × 4,173.33
  4. Step 4: Simplify right side
    13,535.58x = 84,741,677.51
  5. Step 5: Solve for x
    x = 84,741,677.51/13,535.58
  6. Step 6: Final answer
    x = 6,260.66

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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.