Home / 14,010.59-21,015.86-4,149.09

Finding the Fourth Proportional to 14,010.59, 21,015.86 and 4,149.09

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Solution

The fourth proportional to 14,010.59, 21,015.86 and 4,149.09 is: 6,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.59 : 21,015.86 = 4,149.09 : x
  2. Step 2: Convert to fraction form
    14,010.59/21,015.86 = 4,149.09/x
  3. Step 3: Cross multiply
    14,010.59x = 21,015.86 × 4,149.09
  4. Step 4: Simplify right side
    14,010.59x = 87,196,673.82
  5. Step 5: Solve for x
    x = 87,196,673.82/14,010.59
  6. Step 6: Final answer
    x = 6,223.63

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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.