Home / 14,289.37-19,720.36-8,625.49

Finding the Fourth Proportional to 14,289.37, 19,720.36 and 8,625.49

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Solution

The fourth proportional to 14,289.37, 19,720.36 and 8,625.49 is: 11,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.37 : 19,720.36 = 8,625.49 : x
  2. Step 2: Convert to fraction form
    14,289.37/19,720.36 = 8,625.49/x
  3. Step 3: Cross multiply
    14,289.37x = 19,720.36 × 8,625.49
  4. Step 4: Simplify right side
    14,289.37x = 170,097,819.58
  5. Step 5: Solve for x
    x = 170,097,819.58/14,289.37
  6. Step 6: Final answer
    x = 11,903.80

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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.