Home / 13,675.41-20,513.21-4,910.40

Finding the Fourth Proportional to 13,675.41, 20,513.21 and 4,910.40

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Solution

The fourth proportional to 13,675.41, 20,513.21 and 4,910.40 is: 7,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.41 : 20,513.21 = 4,910.40 : x
  2. Step 2: Convert to fraction form
    13,675.41/20,513.21 = 4,910.40/x
  3. Step 3: Cross multiply
    13,675.41x = 20,513.21 × 4,910.40
  4. Step 4: Simplify right side
    13,675.41x = 100,728,041.83
  5. Step 5: Solve for x
    x = 100,728,041.83/13,675.41
  6. Step 6: Final answer
    x = 7,365.63

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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.