Home / 14,357.75-21,536.63-3,969.50

Finding the Fourth Proportional to 14,357.75, 21,536.63 and 3,969.50

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Solution

The fourth proportional to 14,357.75, 21,536.63 and 3,969.50 is: 5,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.75 : 21,536.63 = 3,969.50 : x
  2. Step 2: Convert to fraction form
    14,357.75/21,536.63 = 3,969.50/x
  3. Step 3: Cross multiply
    14,357.75x = 21,536.63 × 3,969.50
  4. Step 4: Simplify right side
    14,357.75x = 85,489,652.79
  5. Step 5: Solve for x
    x = 85,489,652.79/14,357.75
  6. Step 6: Final answer
    x = 5,954.25

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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.