Home / 14,289.70-19,720.41-8,001.94

Finding the Fourth Proportional to 14,289.70, 19,720.41 and 8,001.94

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Solution

The fourth proportional to 14,289.70, 19,720.41 and 8,001.94 is: 11,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.70 : 19,720.41 = 8,001.94 : x
  2. Step 2: Convert to fraction form
    14,289.70/19,720.41 = 8,001.94/x
  3. Step 3: Cross multiply
    14,289.70x = 19,720.41 × 8,001.94
  4. Step 4: Simplify right side
    14,289.70x = 157,801,537.60
  5. Step 5: Solve for x
    x = 157,801,537.60/14,289.70
  6. Step 6: Final answer
    x = 11,043.03

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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.