Home / 13,722.57-20,576.48-4,360.05

Finding the Fourth Proportional to 13,722.57, 20,576.48 and 4,360.05

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Solution

The fourth proportional to 13,722.57, 20,576.48 and 4,360.05 is: 6,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.57 : 20,576.48 = 4,360.05 : x
  2. Step 2: Convert to fraction form
    13,722.57/20,576.48 = 4,360.05/x
  3. Step 3: Cross multiply
    13,722.57x = 20,576.48 × 4,360.05
  4. Step 4: Simplify right side
    13,722.57x = 89,714,459.82
  5. Step 5: Solve for x
    x = 89,714,459.82/13,722.57
  6. Step 6: Final answer
    x = 6,537.73

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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.