Home / 14,243.74-21,197.42-13,770.76

Finding the Fourth Proportional to 14,243.74, 21,197.42 and 13,770.76

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Solution

The fourth proportional to 14,243.74, 21,197.42 and 13,770.76 is: 20,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.74 : 21,197.42 = 13,770.76 : x
  2. Step 2: Convert to fraction form
    14,243.74/21,197.42 = 13,770.76/x
  3. Step 3: Cross multiply
    14,243.74x = 21,197.42 × 13,770.76
  4. Step 4: Simplify right side
    14,243.74x = 291,904,583.44
  5. Step 5: Solve for x
    x = 291,904,583.44/14,243.74
  6. Step 6: Final answer
    x = 20,493.53

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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.