Home / 12,977.58-19,466.37-4,213.17

Finding the Fourth Proportional to 12,977.58, 19,466.37 and 4,213.17

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Solution

The fourth proportional to 12,977.58, 19,466.37 and 4,213.17 is: 6,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.58 : 19,466.37 = 4,213.17 : x
  2. Step 2: Convert to fraction form
    12,977.58/19,466.37 = 4,213.17/x
  3. Step 3: Cross multiply
    12,977.58x = 19,466.37 × 4,213.17
  4. Step 4: Simplify right side
    12,977.58x = 82,015,126.09
  5. Step 5: Solve for x
    x = 82,015,126.09/12,977.58
  6. Step 6: Final answer
    x = 6,319.76

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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.