Home / 13,237.12-19,855.68-8,310.22

Finding the Fourth Proportional to 13,237.12, 19,855.68 and 8,310.22

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Solution

The fourth proportional to 13,237.12, 19,855.68 and 8,310.22 is: 12,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.12 : 19,855.68 = 8,310.22 : x
  2. Step 2: Convert to fraction form
    13,237.12/19,855.68 = 8,310.22/x
  3. Step 3: Cross multiply
    13,237.12x = 19,855.68 × 8,310.22
  4. Step 4: Simplify right side
    13,237.12x = 165,004,969.77
  5. Step 5: Solve for x
    x = 165,004,969.77/13,237.12
  6. Step 6: Final answer
    x = 12,465.33

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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.