Home / 14,301.80-21,467.10-6,912.20

Finding the Fourth Proportional to 14,301.80, 21,467.10 and 6,912.20

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Solution

The fourth proportional to 14,301.80, 21,467.10 and 6,912.20 is: 10,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.80 : 21,467.10 = 6,912.20 : x
  2. Step 2: Convert to fraction form
    14,301.80/21,467.10 = 6,912.20/x
  3. Step 3: Cross multiply
    14,301.80x = 21,467.10 × 6,912.20
  4. Step 4: Simplify right side
    14,301.80x = 148,384,888.62
  5. Step 5: Solve for x
    x = 148,384,888.62/14,301.80
  6. Step 6: Final answer
    x = 10,375.26

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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.