Home / 14,069.08-21,081.75-5,299.21

Finding the Fourth Proportional to 14,069.08, 21,081.75 and 5,299.21

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Solution

The fourth proportional to 14,069.08, 21,081.75 and 5,299.21 is: 7,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.08 : 21,081.75 = 5,299.21 : x
  2. Step 2: Convert to fraction form
    14,069.08/21,081.75 = 5,299.21/x
  3. Step 3: Cross multiply
    14,069.08x = 21,081.75 × 5,299.21
  4. Step 4: Simplify right side
    14,069.08x = 111,716,620.42
  5. Step 5: Solve for x
    x = 111,716,620.42/14,069.08
  6. Step 6: Final answer
    x = 7,940.58

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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.