Home / 13,899.12-20,852.58-5,584.98

Finding the Fourth Proportional to 13,899.12, 20,852.58 and 5,584.98

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Solution

The fourth proportional to 13,899.12, 20,852.58 and 5,584.98 is: 8,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.12 : 20,852.58 = 5,584.98 : x
  2. Step 2: Convert to fraction form
    13,899.12/20,852.58 = 5,584.98/x
  3. Step 3: Cross multiply
    13,899.12x = 20,852.58 × 5,584.98
  4. Step 4: Simplify right side
    13,899.12x = 116,461,137.99
  5. Step 5: Solve for x
    x = 116,461,137.99/13,899.12
  6. Step 6: Final answer
    x = 8,379.03

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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.