Home / 11,379.48-15,703.71-6,600.34

Finding the Fourth Proportional to 11,379.48, 15,703.71 and 6,600.34

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Solution

The fourth proportional to 11,379.48, 15,703.71 and 6,600.34 is: 9,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.48 : 15,703.71 = 6,600.34 : x
  2. Step 2: Convert to fraction form
    11,379.48/15,703.71 = 6,600.34/x
  3. Step 3: Cross multiply
    11,379.48x = 15,703.71 × 6,600.34
  4. Step 4: Simplify right side
    11,379.48x = 103,649,825.26
  5. Step 5: Solve for x
    x = 103,649,825.26/11,379.48
  6. Step 6: Final answer
    x = 9,108.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.