Home / 14,289.49-19,720.54-8,625.62

Finding the Fourth Proportional to 14,289.49, 19,720.54 and 8,625.62

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Solution

The fourth proportional to 14,289.49, 19,720.54 and 8,625.62 is: 11,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.49 : 19,720.54 = 8,625.62 : x
  2. Step 2: Convert to fraction form
    14,289.49/19,720.54 = 8,625.62/x
  3. Step 3: Cross multiply
    14,289.49x = 19,720.54 × 8,625.62
  4. Step 4: Simplify right side
    14,289.49x = 170,101,777.94
  5. Step 5: Solve for x
    x = 170,101,777.94/14,289.49
  6. Step 6: Final answer
    x = 11,903.98

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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.