Home / 14,428.20-21,643.26-5,067.08

Finding the Fourth Proportional to 14,428.20, 21,643.26 and 5,067.08

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Solution

The fourth proportional to 14,428.20, 21,643.26 and 5,067.08 is: 7,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.20 : 21,643.26 = 5,067.08 : x
  2. Step 2: Convert to fraction form
    14,428.20/21,643.26 = 5,067.08/x
  3. Step 3: Cross multiply
    14,428.20x = 21,643.26 × 5,067.08
  4. Step 4: Simplify right side
    14,428.20x = 109,668,129.88
  5. Step 5: Solve for x
    x = 109,668,129.88/14,428.20
  6. Step 6: Final answer
    x = 7,600.96

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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.