Home / 14,028.85-21,031.49-6,125.36

Finding the Fourth Proportional to 14,028.85, 21,031.49 and 6,125.36

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Solution

The fourth proportional to 14,028.85, 21,031.49 and 6,125.36 is: 9,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.85 : 21,031.49 = 6,125.36 : x
  2. Step 2: Convert to fraction form
    14,028.85/21,031.49 = 6,125.36/x
  3. Step 3: Cross multiply
    14,028.85x = 21,031.49 × 6,125.36
  4. Step 4: Simplify right side
    14,028.85x = 128,825,447.59
  5. Step 5: Solve for x
    x = 128,825,447.59/14,028.85
  6. Step 6: Final answer
    x = 9,182.89

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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.