Home / 12,764.64-19,146.97-3,880.05

Finding the Fourth Proportional to 12,764.64, 19,146.97 and 3,880.05

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Solution

The fourth proportional to 12,764.64, 19,146.97 and 3,880.05 is: 5,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.64 : 19,146.97 = 3,880.05 : x
  2. Step 2: Convert to fraction form
    12,764.64/19,146.97 = 3,880.05/x
  3. Step 3: Cross multiply
    12,764.64x = 19,146.97 × 3,880.05
  4. Step 4: Simplify right side
    12,764.64x = 74,291,200.95
  5. Step 5: Solve for x
    x = 74,291,200.95/12,764.64
  6. Step 6: Final answer
    x = 5,820.08

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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.