Home / 11,186.65-16,779.93-2,866.63

Finding the Fourth Proportional to 11,186.65, 16,779.93 and 2,866.63

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Solution

The fourth proportional to 11,186.65, 16,779.93 and 2,866.63 is: 4,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.65 : 16,779.93 = 2,866.63 : x
  2. Step 2: Convert to fraction form
    11,186.65/16,779.93 = 2,866.63/x
  3. Step 3: Cross multiply
    11,186.65x = 16,779.93 × 2,866.63
  4. Step 4: Simplify right side
    11,186.65x = 48,101,850.74
  5. Step 5: Solve for x
    x = 48,101,850.74/11,186.65
  6. Step 6: Final answer
    x = 4,299.93

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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.