Home / 14,009.96-21,018.99-4,149.43

Finding the Fourth Proportional to 14,009.96, 21,018.99 and 4,149.43

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Solution

The fourth proportional to 14,009.96, 21,018.99 and 4,149.43 is: 6,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.96 : 21,018.99 = 4,149.43 : x
  2. Step 2: Convert to fraction form
    14,009.96/21,018.99 = 4,149.43/x
  3. Step 3: Cross multiply
    14,009.96x = 21,018.99 × 4,149.43
  4. Step 4: Simplify right side
    14,009.96x = 87,216,790.69
  5. Step 5: Solve for x
    x = 87,216,790.69/14,009.96
  6. Step 6: Final answer
    x = 6,225.34

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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.