Home / 11,366.20-17,004.75-7,478.20

Finding the Fourth Proportional to 11,366.20, 17,004.75 and 7,478.20

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Solution

The fourth proportional to 11,366.20, 17,004.75 and 7,478.20 is: 11,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.20 : 17,004.75 = 7,478.20 : x
  2. Step 2: Convert to fraction form
    11,366.20/17,004.75 = 7,478.20/x
  3. Step 3: Cross multiply
    11,366.20x = 17,004.75 × 7,478.20
  4. Step 4: Simplify right side
    11,366.20x = 127,164,921.45
  5. Step 5: Solve for x
    x = 127,164,921.45/11,366.20
  6. Step 6: Final answer
    x = 11,187.99

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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.