Home / 10,428.88-14,399.22-6,451.24

Finding the Fourth Proportional to 10,428.88, 14,399.22 and 6,451.24

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Solution

The fourth proportional to 10,428.88, 14,399.22 and 6,451.24 is: 8,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.88 : 14,399.22 = 6,451.24 : x
  2. Step 2: Convert to fraction form
    10,428.88/14,399.22 = 6,451.24/x
  3. Step 3: Cross multiply
    10,428.88x = 14,399.22 × 6,451.24
  4. Step 4: Simplify right side
    10,428.88x = 92,892,824.03
  5. Step 5: Solve for x
    x = 92,892,824.03/10,428.88
  6. Step 6: Final answer
    x = 8,907.27

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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.