Home / 9,928.63-13,699.96-6,396.63

Finding the Fourth Proportional to 9,928.63, 13,699.96 and 6,396.63

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Solution

The fourth proportional to 9,928.63, 13,699.96 and 6,396.63 is: 8,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.63 : 13,699.96 = 6,396.63 : x
  2. Step 2: Convert to fraction form
    9,928.63/13,699.96 = 6,396.63/x
  3. Step 3: Cross multiply
    9,928.63x = 13,699.96 × 6,396.63
  4. Step 4: Simplify right side
    9,928.63x = 87,633,575.13
  5. Step 5: Solve for x
    x = 87,633,575.13/9,928.63
  6. Step 6: Final answer
    x = 8,826.35

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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.