Home / 14,039.44-21,041.48-12,280.26

Finding the Fourth Proportional to 14,039.44, 21,041.48 and 12,280.26

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Solution

The fourth proportional to 14,039.44, 21,041.48 and 12,280.26 is: 18,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.44 : 21,041.48 = 12,280.26 : x
  2. Step 2: Convert to fraction form
    14,039.44/21,041.48 = 12,280.26/x
  3. Step 3: Cross multiply
    14,039.44x = 21,041.48 × 12,280.26
  4. Step 4: Simplify right side
    14,039.44x = 258,394,678.58
  5. Step 5: Solve for x
    x = 258,394,678.58/14,039.44
  6. Step 6: Final answer
    x = 18,404.91

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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.