Home / 12,814.20-19,225.98-5,028.36

Finding the Fourth Proportional to 12,814.20, 19,225.98 and 5,028.36

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Solution

The fourth proportional to 12,814.20, 19,225.98 and 5,028.36 is: 7,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.20 : 19,225.98 = 5,028.36 : x
  2. Step 2: Convert to fraction form
    12,814.20/19,225.98 = 5,028.36/x
  3. Step 3: Cross multiply
    12,814.20x = 19,225.98 × 5,028.36
  4. Step 4: Simplify right side
    12,814.20x = 96,675,148.79
  5. Step 5: Solve for x
    x = 96,675,148.79/12,814.20
  6. Step 6: Final answer
    x = 7,544.38

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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.