Home / 11,333.60-17,000.40-6,412.85

Finding the Fourth Proportional to 11,333.60, 17,000.40 and 6,412.85

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Solution

The fourth proportional to 11,333.60, 17,000.40 and 6,412.85 is: 9,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.60 : 17,000.40 = 6,412.85 : x
  2. Step 2: Convert to fraction form
    11,333.60/17,000.40 = 6,412.85/x
  3. Step 3: Cross multiply
    11,333.60x = 17,000.40 × 6,412.85
  4. Step 4: Simplify right side
    11,333.60x = 109,021,015.14
  5. Step 5: Solve for x
    x = 109,021,015.14/11,333.60
  6. Step 6: Final answer
    x = 9,619.28

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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.