Home / 10,007.88-13,814.10-6,468.36

Finding the Fourth Proportional to 10,007.88, 13,814.10 and 6,468.36

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Solution

The fourth proportional to 10,007.88, 13,814.10 and 6,468.36 is: 8,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.88 : 13,814.10 = 6,468.36 : x
  2. Step 2: Convert to fraction form
    10,007.88/13,814.10 = 6,468.36/x
  3. Step 3: Cross multiply
    10,007.88x = 13,814.10 × 6,468.36
  4. Step 4: Simplify right side
    10,007.88x = 89,354,571.88
  5. Step 5: Solve for x
    x = 89,354,571.88/10,007.88
  6. Step 6: Final answer
    x = 8,928.42

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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.