Home / 11,699.76-16,145.67-6,664.45

Finding the Fourth Proportional to 11,699.76, 16,145.67 and 6,664.45

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Solution

The fourth proportional to 11,699.76, 16,145.67 and 6,664.45 is: 9,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.76 : 16,145.67 = 6,664.45 : x
  2. Step 2: Convert to fraction form
    11,699.76/16,145.67 = 6,664.45/x
  3. Step 3: Cross multiply
    11,699.76x = 16,145.67 × 6,664.45
  4. Step 4: Simplify right side
    11,699.76x = 107,602,010.43
  5. Step 5: Solve for x
    x = 107,602,010.43/11,699.76
  6. Step 6: Final answer
    x = 9,196.94

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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.