Home / 45,183.63-67,779.36-11,903.43

Finding the Fourth Proportional to 45,183.63, 67,779.36 and 11,903.43

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Solution

The fourth proportional to 45,183.63, 67,779.36 and 11,903.43 is: 17,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.63 : 67,779.36 = 11,903.43 : x
  2. Step 2: Convert to fraction form
    45,183.63/67,779.36 = 11,903.43/x
  3. Step 3: Cross multiply
    45,183.63x = 67,779.36 × 11,903.43
  4. Step 4: Simplify right side
    45,183.63x = 806,806,867.20
  5. Step 5: Solve for x
    x = 806,806,867.20/45,183.63
  6. Step 6: Final answer
    x = 17,856.18

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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.