Home / 12,977.94-19,466.91-3,617.58

Finding the Fourth Proportional to 12,977.94, 19,466.91 and 3,617.58

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Solution

The fourth proportional to 12,977.94, 19,466.91 and 3,617.58 is: 5,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.94 : 19,466.91 = 3,617.58 : x
  2. Step 2: Convert to fraction form
    12,977.94/19,466.91 = 3,617.58/x
  3. Step 3: Cross multiply
    12,977.94x = 19,466.91 × 3,617.58
  4. Step 4: Simplify right side
    12,977.94x = 70,423,104.28
  5. Step 5: Solve for x
    x = 70,423,104.28/12,977.94
  6. Step 6: Final answer
    x = 5,426.37

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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.