Home / 13,809.57-20,717.19-4,450.83

Finding the Fourth Proportional to 13,809.57, 20,717.19 and 4,450.83

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Solution

The fourth proportional to 13,809.57, 20,717.19 and 4,450.83 is: 6,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.57 : 20,717.19 = 4,450.83 : x
  2. Step 2: Convert to fraction form
    13,809.57/20,717.19 = 4,450.83/x
  3. Step 3: Cross multiply
    13,809.57x = 20,717.19 × 4,450.83
  4. Step 4: Simplify right side
    13,809.57x = 92,208,690.77
  5. Step 5: Solve for x
    x = 92,208,690.77/13,809.57
  6. Step 6: Final answer
    x = 6,677.16

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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.