Home / 9,183.63-12,673.35-4,991.88

Finding the Fourth Proportional to 9,183.63, 12,673.35 and 4,991.88

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Solution

The fourth proportional to 9,183.63, 12,673.35 and 4,991.88 is: 6,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.63 : 12,673.35 = 4,991.88 : x
  2. Step 2: Convert to fraction form
    9,183.63/12,673.35 = 4,991.88/x
  3. Step 3: Cross multiply
    9,183.63x = 12,673.35 × 4,991.88
  4. Step 4: Simplify right side
    9,183.63x = 63,263,842.40
  5. Step 5: Solve for x
    x = 63,263,842.40/9,183.63
  6. Step 6: Final answer
    x = 6,888.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.