Home / 14,239.19-21,361.76-4,243.92

Finding the Fourth Proportional to 14,239.19, 21,361.76 and 4,243.92

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Solution

The fourth proportional to 14,239.19, 21,361.76 and 4,243.92 is: 6,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.19 : 21,361.76 = 4,243.92 : x
  2. Step 2: Convert to fraction form
    14,239.19/21,361.76 = 4,243.92/x
  3. Step 3: Cross multiply
    14,239.19x = 21,361.76 × 4,243.92
  4. Step 4: Simplify right side
    14,239.19x = 90,657,579.28
  5. Step 5: Solve for x
    x = 90,657,579.28/14,239.19
  6. Step 6: Final answer
    x = 6,366.77

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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.