Home / 13,416.56-20,125.94-3,555.77

Finding the Fourth Proportional to 13,416.56, 20,125.94 and 3,555.77

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Solution

The fourth proportional to 13,416.56, 20,125.94 and 3,555.77 is: 5,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.56 : 20,125.94 = 3,555.77 : x
  2. Step 2: Convert to fraction form
    13,416.56/20,125.94 = 3,555.77/x
  3. Step 3: Cross multiply
    13,416.56x = 20,125.94 × 3,555.77
  4. Step 4: Simplify right side
    13,416.56x = 71,563,295.08
  5. Step 5: Solve for x
    x = 71,563,295.08/13,416.56
  6. Step 6: Final answer
    x = 5,333.95

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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.