Home / 13,701.84-20,552.80-3,313.60

Finding the Fourth Proportional to 13,701.84, 20,552.80 and 3,313.60

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Solution

The fourth proportional to 13,701.84, 20,552.80 and 3,313.60 is: 4,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.84 : 20,552.80 = 3,313.60 : x
  2. Step 2: Convert to fraction form
    13,701.84/20,552.80 = 3,313.60/x
  3. Step 3: Cross multiply
    13,701.84x = 20,552.80 × 3,313.60
  4. Step 4: Simplify right side
    13,701.84x = 68,103,758.08
  5. Step 5: Solve for x
    x = 68,103,758.08/13,701.84
  6. Step 6: Final answer
    x = 4,970.41

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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.