Home / 11,238.20-16,849.20-6,309.35

Finding the Fourth Proportional to 11,238.20, 16,849.20 and 6,309.35

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Solution

The fourth proportional to 11,238.20, 16,849.20 and 6,309.35 is: 9,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.20 : 16,849.20 = 6,309.35 : x
  2. Step 2: Convert to fraction form
    11,238.20/16,849.20 = 6,309.35/x
  3. Step 3: Cross multiply
    11,238.20x = 16,849.20 × 6,309.35
  4. Step 4: Simplify right side
    11,238.20x = 106,307,500.02
  5. Step 5: Solve for x
    x = 106,307,500.02/11,238.20
  6. Step 6: Final answer
    x = 9,459.48

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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.