Home / 12,464.12-18,703.06-6,620.52

Finding the Fourth Proportional to 12,464.12, 18,703.06 and 6,620.52

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Solution

The fourth proportional to 12,464.12, 18,703.06 and 6,620.52 is: 9,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.12 : 18,703.06 = 6,620.52 : x
  2. Step 2: Convert to fraction form
    12,464.12/18,703.06 = 6,620.52/x
  3. Step 3: Cross multiply
    12,464.12x = 18,703.06 × 6,620.52
  4. Step 4: Simplify right side
    12,464.12x = 123,823,982.79
  5. Step 5: Solve for x
    x = 123,823,982.79/12,464.12
  6. Step 6: Final answer
    x = 9,934.43

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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.