Home / 14,450.30-19,940.40-8,161.46

Finding the Fourth Proportional to 14,450.30, 19,940.40 and 8,161.46

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Solution

The fourth proportional to 14,450.30, 19,940.40 and 8,161.46 is: 11,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.30 : 19,940.40 = 8,161.46 : x
  2. Step 2: Convert to fraction form
    14,450.30/19,940.40 = 8,161.46/x
  3. Step 3: Cross multiply
    14,450.30x = 19,940.40 × 8,161.46
  4. Step 4: Simplify right side
    14,450.30x = 162,742,776.98
  5. Step 5: Solve for x
    x = 162,742,776.98/14,450.30
  6. Step 6: Final answer
    x = 11,262.24

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1.5x scale

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.