Home / 13,307.68-19,959.60-4,540.96

Finding the Fourth Proportional to 13,307.68, 19,959.60 and 4,540.96

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Solution

The fourth proportional to 13,307.68, 19,959.60 and 4,540.96 is: 6,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.68 : 19,959.60 = 4,540.96 : x
  2. Step 2: Convert to fraction form
    13,307.68/19,959.60 = 4,540.96/x
  3. Step 3: Cross multiply
    13,307.68x = 19,959.60 × 4,540.96
  4. Step 4: Simplify right side
    13,307.68x = 90,635,745.22
  5. Step 5: Solve for x
    x = 90,635,745.22/13,307.68
  6. Step 6: Final answer
    x = 6,810.78

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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.