Home / 13,455.32-20,169.18-6,064.96

Finding the Fourth Proportional to 13,455.32, 20,169.18 and 6,064.96

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Solution

The fourth proportional to 13,455.32, 20,169.18 and 6,064.96 is: 9,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.32 : 20,169.18 = 6,064.96 : x
  2. Step 2: Convert to fraction form
    13,455.32/20,169.18 = 6,064.96/x
  3. Step 3: Cross multiply
    13,455.32x = 20,169.18 × 6,064.96
  4. Step 4: Simplify right side
    13,455.32x = 122,325,269.93
  5. Step 5: Solve for x
    x = 122,325,269.93/13,455.32
  6. Step 6: Final answer
    x = 9,091.22

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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.