Home / 13,268.99-19,911.18-6,695.69

Finding the Fourth Proportional to 13,268.99, 19,911.18 and 6,695.69

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Solution

The fourth proportional to 13,268.99, 19,911.18 and 6,695.69 is: 10,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.99 : 19,911.18 = 6,695.69 : x
  2. Step 2: Convert to fraction form
    13,268.99/19,911.18 = 6,695.69/x
  3. Step 3: Cross multiply
    13,268.99x = 19,911.18 × 6,695.69
  4. Step 4: Simplify right side
    13,268.99x = 133,319,138.59
  5. Step 5: Solve for x
    x = 133,319,138.59/13,268.99
  6. Step 6: Final answer
    x = 10,047.42

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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.