Home / 14,148.26-21,222.40-4,914.26

Finding the Fourth Proportional to 14,148.26, 21,222.40 and 4,914.26

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Solution

The fourth proportional to 14,148.26, 21,222.40 and 4,914.26 is: 7,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.26 : 21,222.40 = 4,914.26 : x
  2. Step 2: Convert to fraction form
    14,148.26/21,222.40 = 4,914.26/x
  3. Step 3: Cross multiply
    14,148.26x = 21,222.40 × 4,914.26
  4. Step 4: Simplify right side
    14,148.26x = 104,292,391.42
  5. Step 5: Solve for x
    x = 104,292,391.42/14,148.26
  6. Step 6: Final answer
    x = 7,371.39

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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.