Home / 14,296.22-21,433.50-6,389.15

Finding the Fourth Proportional to 14,296.22, 21,433.50 and 6,389.15

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Solution

The fourth proportional to 14,296.22, 21,433.50 and 6,389.15 is: 9,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.22 : 21,433.50 = 6,389.15 : x
  2. Step 2: Convert to fraction form
    14,296.22/21,433.50 = 6,389.15/x
  3. Step 3: Cross multiply
    14,296.22x = 21,433.50 × 6,389.15
  4. Step 4: Simplify right side
    14,296.22x = 136,941,739.36
  5. Step 5: Solve for x
    x = 136,941,739.36/14,296.22
  6. Step 6: Final answer
    x = 9,578.88

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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.