Home / 14,539.88-21,819-10,149.68

Finding the Fourth Proportional to 14,539.88, 21,819 and 10,149.68

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Solution

The fourth proportional to 14,539.88, 21,819 and 10,149.68 is: 15,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.88 : 21,819 = 10,149.68 : x
  2. Step 2: Convert to fraction form
    14,539.88/21,819 = 10,149.68/x
  3. Step 3: Cross multiply
    14,539.88x = 21,819 × 10,149.68
  4. Step 4: Simplify right side
    14,539.88x = 221,455,867.92
  5. Step 5: Solve for x
    x = 221,455,867.92/14,539.88
  6. Step 6: Final answer
    x = 15,230.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.