Home / 13,764.14-18,997.54-9,048.86

Finding the Fourth Proportional to 13,764.14, 18,997.54 and 9,048.86

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Solution

The fourth proportional to 13,764.14, 18,997.54 and 9,048.86 is: 12,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.14 : 18,997.54 = 9,048.86 : x
  2. Step 2: Convert to fraction form
    13,764.14/18,997.54 = 9,048.86/x
  3. Step 3: Cross multiply
    13,764.14x = 18,997.54 × 9,048.86
  4. Step 4: Simplify right side
    13,764.14x = 171,905,987.07
  5. Step 5: Solve for x
    x = 171,905,987.07/13,764.14
  6. Step 6: Final answer
    x = 12,489.41

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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.