Home / 11,790.48-16,271.30-6,485.70

Finding the Fourth Proportional to 11,790.48, 16,271.30 and 6,485.70

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Solution

The fourth proportional to 11,790.48, 16,271.30 and 6,485.70 is: 8,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.48 : 16,271.30 = 6,485.70 : x
  2. Step 2: Convert to fraction form
    11,790.48/16,271.30 = 6,485.70/x
  3. Step 3: Cross multiply
    11,790.48x = 16,271.30 × 6,485.70
  4. Step 4: Simplify right side
    11,790.48x = 105,530,737.98
  5. Step 5: Solve for x
    x = 105,530,737.98/11,790.48
  6. Step 6: Final answer
    x = 8,950.50

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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.