Home / 12,977.07-19,462.37-4,214.49

Finding the Fourth Proportional to 12,977.07, 19,462.37 and 4,214.49

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Solution

The fourth proportional to 12,977.07, 19,462.37 and 4,214.49 is: 6,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.07 : 19,462.37 = 4,214.49 : x
  2. Step 2: Convert to fraction form
    12,977.07/19,462.37 = 4,214.49/x
  3. Step 3: Cross multiply
    12,977.07x = 19,462.37 × 4,214.49
  4. Step 4: Simplify right side
    12,977.07x = 82,023,942.67
  5. Step 5: Solve for x
    x = 82,023,942.67/12,977.07
  6. Step 6: Final answer
    x = 6,320.68

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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.