Home / 13,384.32-20,074.66-3,522.77

Finding the Fourth Proportional to 13,384.32, 20,074.66 and 3,522.77

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Solution

The fourth proportional to 13,384.32, 20,074.66 and 3,522.77 is: 5,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.32 : 20,074.66 = 3,522.77 : x
  2. Step 2: Convert to fraction form
    13,384.32/20,074.66 = 3,522.77/x
  3. Step 3: Cross multiply
    13,384.32x = 20,074.66 × 3,522.77
  4. Step 4: Simplify right side
    13,384.32x = 70,718,451.39
  5. Step 5: Solve for x
    x = 70,718,451.39/13,384.32
  6. Step 6: Final answer
    x = 5,283.68

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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.