Home / 14,642.70-20,205.64-8,673.36

Finding the Fourth Proportional to 14,642.70, 20,205.64 and 8,673.36

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Solution

The fourth proportional to 14,642.70, 20,205.64 and 8,673.36 is: 11,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.70 : 20,205.64 = 8,673.36 : x
  2. Step 2: Convert to fraction form
    14,642.70/20,205.64 = 8,673.36/x
  3. Step 3: Cross multiply
    14,642.70x = 20,205.64 × 8,673.36
  4. Step 4: Simplify right side
    14,642.70x = 175,250,789.75
  5. Step 5: Solve for x
    x = 175,250,789.75/14,642.70
  6. Step 6: Final answer
    x = 11,968.48

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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.