Home / 14,344.36-21,393.84-12,600.80

Finding the Fourth Proportional to 14,344.36, 21,393.84 and 12,600.80

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Solution

The fourth proportional to 14,344.36, 21,393.84 and 12,600.80 is: 18,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.36 : 21,393.84 = 12,600.80 : x
  2. Step 2: Convert to fraction form
    14,344.36/21,393.84 = 12,600.80/x
  3. Step 3: Cross multiply
    14,344.36x = 21,393.84 × 12,600.80
  4. Step 4: Simplify right side
    14,344.36x = 269,579,499.07
  5. Step 5: Solve for x
    x = 269,579,499.07/14,344.36
  6. Step 6: Final answer
    x = 18,793.41

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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.