Home / 11,559.46-17,339.20-5,720.18

Finding the Fourth Proportional to 11,559.46, 17,339.20 and 5,720.18

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Solution

The fourth proportional to 11,559.46, 17,339.20 and 5,720.18 is: 8,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.46 : 17,339.20 = 5,720.18 : x
  2. Step 2: Convert to fraction form
    11,559.46/17,339.20 = 5,720.18/x
  3. Step 3: Cross multiply
    11,559.46x = 17,339.20 × 5,720.18
  4. Step 4: Simplify right side
    11,559.46x = 99,183,345.06
  5. Step 5: Solve for x
    x = 99,183,345.06/11,559.46
  6. Step 6: Final answer
    x = 8,580.27

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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.