Home / 14,433.20-19,918.08-8,144.36

Finding the Fourth Proportional to 14,433.20, 19,918.08 and 8,144.36

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Solution

The fourth proportional to 14,433.20, 19,918.08 and 8,144.36 is: 11,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.20 : 19,918.08 = 8,144.36 : x
  2. Step 2: Convert to fraction form
    14,433.20/19,918.08 = 8,144.36/x
  3. Step 3: Cross multiply
    14,433.20x = 19,918.08 × 8,144.36
  4. Step 4: Simplify right side
    14,433.20x = 162,220,014.03
  5. Step 5: Solve for x
    x = 162,220,014.03/14,433.20
  6. Step 6: Final answer
    x = 11,239.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.