Home / 11,010.24-16,515.72-4,089.60

Finding the Fourth Proportional to 11,010.24, 16,515.72 and 4,089.60

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Solution

The fourth proportional to 11,010.24, 16,515.72 and 4,089.60 is: 6,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.24 : 16,515.72 = 4,089.60 : x
  2. Step 2: Convert to fraction form
    11,010.24/16,515.72 = 4,089.60/x
  3. Step 3: Cross multiply
    11,010.24x = 16,515.72 × 4,089.60
  4. Step 4: Simplify right side
    11,010.24x = 67,542,688.51
  5. Step 5: Solve for x
    x = 67,542,688.51/11,010.24
  6. Step 6: Final answer
    x = 6,134.53

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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.