Home / 14,243.24-21,365.42-4,381.64

Finding the Fourth Proportional to 14,243.24, 21,365.42 and 4,381.64

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Solution

The fourth proportional to 14,243.24, 21,365.42 and 4,381.64 is: 6,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.24 : 21,365.42 = 4,381.64 : x
  2. Step 2: Convert to fraction form
    14,243.24/21,365.42 = 4,381.64/x
  3. Step 3: Cross multiply
    14,243.24x = 21,365.42 × 4,381.64
  4. Step 4: Simplify right side
    14,243.24x = 93,615,578.89
  5. Step 5: Solve for x
    x = 93,615,578.89/14,243.24
  6. Step 6: Final answer
    x = 6,572.63

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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.