Home / 13,883.77-20,815.25-4,518.19

Finding the Fourth Proportional to 13,883.77, 20,815.25 and 4,518.19

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Solution

The fourth proportional to 13,883.77, 20,815.25 and 4,518.19 is: 6,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.77 : 20,815.25 = 4,518.19 : x
  2. Step 2: Convert to fraction form
    13,883.77/20,815.25 = 4,518.19/x
  3. Step 3: Cross multiply
    13,883.77x = 20,815.25 × 4,518.19
  4. Step 4: Simplify right side
    13,883.77x = 94,047,257.83
  5. Step 5: Solve for x
    x = 94,047,257.83/13,883.77
  6. Step 6: Final answer
    x = 6,773.90

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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.