Home / 11,473.20-17,193.60-7,077.60

Finding the Fourth Proportional to 11,473.20, 17,193.60 and 7,077.60

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Solution

The fourth proportional to 11,473.20, 17,193.60 and 7,077.60 is: 10,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.20 : 17,193.60 = 7,077.60 : x
  2. Step 2: Convert to fraction form
    11,473.20/17,193.60 = 7,077.60/x
  3. Step 3: Cross multiply
    11,473.20x = 17,193.60 × 7,077.60
  4. Step 4: Simplify right side
    11,473.20x = 121,689,423.36
  5. Step 5: Solve for x
    x = 121,689,423.36/11,473.20
  6. Step 6: Final answer
    x = 10,606.41

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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.