Home / 14,151.94-21,225.18-13,449.49

Finding the Fourth Proportional to 14,151.94, 21,225.18 and 13,449.49

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Solution

The fourth proportional to 14,151.94, 21,225.18 and 13,449.49 is: 20,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.94 : 21,225.18 = 13,449.49 : x
  2. Step 2: Convert to fraction form
    14,151.94/21,225.18 = 13,449.49/x
  3. Step 3: Cross multiply
    14,151.94x = 21,225.18 × 13,449.49
  4. Step 4: Simplify right side
    14,151.94x = 285,467,846.16
  5. Step 5: Solve for x
    x = 285,467,846.16/14,151.94
  6. Step 6: Final answer
    x = 20,171.64

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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.