Home / 11,259.79-16,893.33-5,415.64

Finding the Fourth Proportional to 11,259.79, 16,893.33 and 5,415.64

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Solution

The fourth proportional to 11,259.79, 16,893.33 and 5,415.64 is: 8,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.79 : 16,893.33 = 5,415.64 : x
  2. Step 2: Convert to fraction form
    11,259.79/16,893.33 = 5,415.64/x
  3. Step 3: Cross multiply
    11,259.79x = 16,893.33 × 5,415.64
  4. Step 4: Simplify right side
    11,259.79x = 91,488,193.68
  5. Step 5: Solve for x
    x = 91,488,193.68/11,259.79
  6. Step 6: Final answer
    x = 8,125.21

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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.