Home / 13,745.25-20,616.84-4,384.89

Finding the Fourth Proportional to 13,745.25, 20,616.84 and 4,384.89

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Solution

The fourth proportional to 13,745.25, 20,616.84 and 4,384.89 is: 6,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745.25 : 20,616.84 = 4,384.89 : x
  2. Step 2: Convert to fraction form
    13,745.25/20,616.84 = 4,384.89/x
  3. Step 3: Cross multiply
    13,745.25x = 20,616.84 × 4,384.89
  4. Step 4: Simplify right side
    13,745.25x = 90,402,575.55
  5. Step 5: Solve for x
    x = 90,402,575.55/13,745.25
  6. Step 6: Final answer
    x = 6,577.00

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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.