Home / 12,964.75-19,447.93-4,200.55

Finding the Fourth Proportional to 12,964.75, 19,447.93 and 4,200.55

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Solution

The fourth proportional to 12,964.75, 19,447.93 and 4,200.55 is: 6,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.75 : 19,447.93 = 4,200.55 : x
  2. Step 2: Convert to fraction form
    12,964.75/19,447.93 = 4,200.55/x
  3. Step 3: Cross multiply
    12,964.75x = 19,447.93 × 4,200.55
  4. Step 4: Simplify right side
    12,964.75x = 81,692,002.36
  5. Step 5: Solve for x
    x = 81,692,002.36/12,964.75
  6. Step 6: Final answer
    x = 6,301.09

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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.