Home / 12,460.12-18,689.94-3,225.88

Finding the Fourth Proportional to 12,460.12, 18,689.94 and 3,225.88

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Solution

The fourth proportional to 12,460.12, 18,689.94 and 3,225.88 is: 4,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.12 : 18,689.94 = 3,225.88 : x
  2. Step 2: Convert to fraction form
    12,460.12/18,689.94 = 3,225.88/x
  3. Step 3: Cross multiply
    12,460.12x = 18,689.94 × 3,225.88
  4. Step 4: Simplify right side
    12,460.12x = 60,291,503.65
  5. Step 5: Solve for x
    x = 60,291,503.65/12,460.12
  6. Step 6: Final answer
    x = 4,838.76

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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.