Home / 14,194.88-21,149.68-13,400

Finding the Fourth Proportional to 14,194.88, 21,149.68 and 13,400

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Solution

The fourth proportional to 14,194.88, 21,149.68 and 13,400 is: 19,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.88 : 21,149.68 = 13,400 : x
  2. Step 2: Convert to fraction form
    14,194.88/21,149.68 = 13,400/x
  3. Step 3: Cross multiply
    14,194.88x = 21,149.68 × 13,400
  4. Step 4: Simplify right side
    14,194.88x = 283,405,712
  5. Step 5: Solve for x
    x = 283,405,712/14,194.88
  6. Step 6: Final answer
    x = 19,965.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.