Home / 14,031.03-21,021.01-8,169.87

Finding the Fourth Proportional to 14,031.03, 21,021.01 and 8,169.87

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Solution

The fourth proportional to 14,031.03, 21,021.01 and 8,169.87 is: 12,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.03 : 21,021.01 = 8,169.87 : x
  2. Step 2: Convert to fraction form
    14,031.03/21,021.01 = 8,169.87/x
  3. Step 3: Cross multiply
    14,031.03x = 21,021.01 × 8,169.87
  4. Step 4: Simplify right side
    14,031.03x = 171,738,918.97
  5. Step 5: Solve for x
    x = 171,738,918.97/14,031.03
  6. Step 6: Final answer
    x = 12,239.94

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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.