Home / 14,274.88-21,412.24-3,886.60

Finding the Fourth Proportional to 14,274.88, 21,412.24 and 3,886.60

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Solution

The fourth proportional to 14,274.88, 21,412.24 and 3,886.60 is: 5,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.88 : 21,412.24 = 3,886.60 : x
  2. Step 2: Convert to fraction form
    14,274.88/21,412.24 = 3,886.60/x
  3. Step 3: Cross multiply
    14,274.88x = 21,412.24 × 3,886.60
  4. Step 4: Simplify right side
    14,274.88x = 83,220,811.98
  5. Step 5: Solve for x
    x = 83,220,811.98/14,274.88
  6. Step 6: Final answer
    x = 5,829.88

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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.