Home / 12,467.29-18,696.91-4,145.08

Finding the Fourth Proportional to 12,467.29, 18,696.91 and 4,145.08

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Solution

The fourth proportional to 12,467.29, 18,696.91 and 4,145.08 is: 6,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.29 : 18,696.91 = 4,145.08 : x
  2. Step 2: Convert to fraction form
    12,467.29/18,696.91 = 4,145.08/x
  3. Step 3: Cross multiply
    12,467.29x = 18,696.91 × 4,145.08
  4. Step 4: Simplify right side
    12,467.29x = 77,500,187.70
  5. Step 5: Solve for x
    x = 77,500,187.70/12,467.29
  6. Step 6: Final answer
    x = 6,216.28

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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.