Home / 10,004.48-14,996.64-7,418.96

Finding the Fourth Proportional to 10,004.48, 14,996.64 and 7,418.96

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Solution

The fourth proportional to 10,004.48, 14,996.64 and 7,418.96 is: 11,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.48 : 14,996.64 = 7,418.96 : x
  2. Step 2: Convert to fraction form
    10,004.48/14,996.64 = 7,418.96/x
  3. Step 3: Cross multiply
    10,004.48x = 14,996.64 × 7,418.96
  4. Step 4: Simplify right side
    10,004.48x = 111,259,472.29
  5. Step 5: Solve for x
    x = 111,259,472.29/10,004.48
  6. Step 6: Final answer
    x = 11,120.97

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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.