Home / 12,464.37-18,703.44-6,620.76

Finding the Fourth Proportional to 12,464.37, 18,703.44 and 6,620.76

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Solution

The fourth proportional to 12,464.37, 18,703.44 and 6,620.76 is: 9,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.37 : 18,703.44 = 6,620.76 : x
  2. Step 2: Convert to fraction form
    12,464.37/18,703.44 = 6,620.76/x
  3. Step 3: Cross multiply
    12,464.37x = 18,703.44 × 6,620.76
  4. Step 4: Simplify right side
    12,464.37x = 123,830,987.41
  5. Step 5: Solve for x
    x = 123,830,987.41/12,464.37
  6. Step 6: Final answer
    x = 9,934.80

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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.