Home / 13,543.37-20,307.24-4,180.88

Finding the Fourth Proportional to 13,543.37, 20,307.24 and 4,180.88

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Solution

The fourth proportional to 13,543.37, 20,307.24 and 4,180.88 is: 6,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.37 : 20,307.24 = 4,180.88 : x
  2. Step 2: Convert to fraction form
    13,543.37/20,307.24 = 4,180.88/x
  3. Step 3: Cross multiply
    13,543.37x = 20,307.24 × 4,180.88
  4. Step 4: Simplify right side
    13,543.37x = 84,902,132.68
  5. Step 5: Solve for x
    x = 84,902,132.68/13,543.37
  6. Step 6: Final answer
    x = 6,268.91

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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.