Home / 11,056.69-15,246.77-8,539.21

Finding the Fourth Proportional to 11,056.69, 15,246.77 and 8,539.21

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Solution

The fourth proportional to 11,056.69, 15,246.77 and 8,539.21 is: 11,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.69 : 15,246.77 = 8,539.21 : x
  2. Step 2: Convert to fraction form
    11,056.69/15,246.77 = 8,539.21/x
  3. Step 3: Cross multiply
    11,056.69x = 15,246.77 × 8,539.21
  4. Step 4: Simplify right side
    11,056.69x = 130,195,370.85
  5. Step 5: Solve for x
    x = 130,195,370.85/11,056.69
  6. Step 6: Final answer
    x = 11,775.26

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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.