Home / 11,945.90-17,913.98-5,370.32

Finding the Fourth Proportional to 11,945.90, 17,913.98 and 5,370.32

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Solution

The fourth proportional to 11,945.90, 17,913.98 and 5,370.32 is: 8,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.90 : 17,913.98 = 5,370.32 : x
  2. Step 2: Convert to fraction form
    11,945.90/17,913.98 = 5,370.32/x
  3. Step 3: Cross multiply
    11,945.90x = 17,913.98 × 5,370.32
  4. Step 4: Simplify right side
    11,945.90x = 96,203,805.07
  5. Step 5: Solve for x
    x = 96,203,805.07/11,945.90
  6. Step 6: Final answer
    x = 8,053.29

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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.