Home / 9,647.41-13,309.50-6,289.04

Finding the Fourth Proportional to 9,647.41, 13,309.50 and 6,289.04

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Solution

The fourth proportional to 9,647.41, 13,309.50 and 6,289.04 is: 8,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.41 : 13,309.50 = 6,289.04 : x
  2. Step 2: Convert to fraction form
    9,647.41/13,309.50 = 6,289.04/x
  3. Step 3: Cross multiply
    9,647.41x = 13,309.50 × 6,289.04
  4. Step 4: Simplify right side
    9,647.41x = 83,703,977.88
  5. Step 5: Solve for x
    x = 83,703,977.88/9,647.41
  6. Step 6: Final answer
    x = 8,676.32

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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.