Home / 11,383.60-17,077.80-4,806.40

Finding the Fourth Proportional to 11,383.60, 17,077.80 and 4,806.40

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Solution

The fourth proportional to 11,383.60, 17,077.80 and 4,806.40 is: 7,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.60 : 17,077.80 = 4,806.40 : x
  2. Step 2: Convert to fraction form
    11,383.60/17,077.80 = 4,806.40/x
  3. Step 3: Cross multiply
    11,383.60x = 17,077.80 × 4,806.40
  4. Step 4: Simplify right side
    11,383.60x = 82,082,737.92
  5. Step 5: Solve for x
    x = 82,082,737.92/11,383.60
  6. Step 6: Final answer
    x = 7,210.61

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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.