Home / 14,330.63-19,778.09-8,043

Finding the Fourth Proportional to 14,330.63, 19,778.09 and 8,043

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Solution

The fourth proportional to 14,330.63, 19,778.09 and 8,043 is: 11,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.63 : 19,778.09 = 8,043 : x
  2. Step 2: Convert to fraction form
    14,330.63/19,778.09 = 8,043/x
  3. Step 3: Cross multiply
    14,330.63x = 19,778.09 × 8,043
  4. Step 4: Simplify right side
    14,330.63x = 159,075,137.66
  5. Step 5: Solve for x
    x = 159,075,137.66/14,330.63
  6. Step 6: Final answer
    x = 11,100.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.