Home / 14,229.24-19,636.43-7,855.72

Finding the Fourth Proportional to 14,229.24, 19,636.43 and 7,855.72

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Solution

The fourth proportional to 14,229.24, 19,636.43 and 7,855.72 is: 10,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.24 : 19,636.43 = 7,855.72 : x
  2. Step 2: Convert to fraction form
    14,229.24/19,636.43 = 7,855.72/x
  3. Step 3: Cross multiply
    14,229.24x = 19,636.43 × 7,855.72
  4. Step 4: Simplify right side
    14,229.24x = 154,258,290.35
  5. Step 5: Solve for x
    x = 154,258,290.35/14,229.24
  6. Step 6: Final answer
    x = 10,840.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.