Home / 11,790.59-16,271.28-6,485.69

Finding the Fourth Proportional to 11,790.59, 16,271.28 and 6,485.69

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Solution

The fourth proportional to 11,790.59, 16,271.28 and 6,485.69 is: 8,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.59 : 16,271.28 = 6,485.69 : x
  2. Step 2: Convert to fraction form
    11,790.59/16,271.28 = 6,485.69/x
  3. Step 3: Cross multiply
    11,790.59x = 16,271.28 × 6,485.69
  4. Step 4: Simplify right side
    11,790.59x = 105,530,477.98
  5. Step 5: Solve for x
    x = 105,530,477.98/11,790.59
  6. Step 6: Final answer
    x = 8,950.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.