Home / 12,969.84-19,452.60-4,203.48

Finding the Fourth Proportional to 12,969.84, 19,452.60 and 4,203.48

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Solution

The fourth proportional to 12,969.84, 19,452.60 and 4,203.48 is: 6,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.84 : 19,452.60 = 4,203.48 : x
  2. Step 2: Convert to fraction form
    12,969.84/19,452.60 = 4,203.48/x
  3. Step 3: Cross multiply
    12,969.84x = 19,452.60 × 4,203.48
  4. Step 4: Simplify right side
    12,969.84x = 81,768,615.05
  5. Step 5: Solve for x
    x = 81,768,615.05/12,969.84
  6. Step 6: Final answer
    x = 6,304.52

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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.