Home / 11,485.49-17,206.11-8,530.92

Finding the Fourth Proportional to 11,485.49, 17,206.11 and 8,530.92

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Solution

The fourth proportional to 11,485.49, 17,206.11 and 8,530.92 is: 12,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.49 : 17,206.11 = 8,530.92 : x
  2. Step 2: Convert to fraction form
    11,485.49/17,206.11 = 8,530.92/x
  3. Step 3: Cross multiply
    11,485.49x = 17,206.11 × 8,530.92
  4. Step 4: Simplify right side
    11,485.49x = 146,783,947.92
  5. Step 5: Solve for x
    x = 146,783,947.92/11,485.49
  6. Step 6: Final answer
    x = 12,779.95

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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.