Home / 11,817.86-17,710.07-6,555.19

Finding the Fourth Proportional to 11,817.86, 17,710.07 and 6,555.19

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Solution

The fourth proportional to 11,817.86, 17,710.07 and 6,555.19 is: 9,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.86 : 17,710.07 = 6,555.19 : x
  2. Step 2: Convert to fraction form
    11,817.86/17,710.07 = 6,555.19/x
  3. Step 3: Cross multiply
    11,817.86x = 17,710.07 × 6,555.19
  4. Step 4: Simplify right side
    11,817.86x = 116,092,845.88
  5. Step 5: Solve for x
    x = 116,092,845.88/11,817.86
  6. Step 6: Final answer
    x = 9,823.51

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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.