Home / 14,249.04-19,663.60-7,961.36

Finding the Fourth Proportional to 14,249.04, 19,663.60 and 7,961.36

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Solution

The fourth proportional to 14,249.04, 19,663.60 and 7,961.36 is: 10,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.04 : 19,663.60 = 7,961.36 : x
  2. Step 2: Convert to fraction form
    14,249.04/19,663.60 = 7,961.36/x
  3. Step 3: Cross multiply
    14,249.04x = 19,663.60 × 7,961.36
  4. Step 4: Simplify right side
    14,249.04x = 156,548,998.50
  5. Step 5: Solve for x
    x = 156,548,998.50/14,249.04
  6. Step 6: Final answer
    x = 10,986.63

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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.