Home / 11,780.13-17,679.93-4,859.49

Finding the Fourth Proportional to 11,780.13, 17,679.93 and 4,859.49

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Solution

The fourth proportional to 11,780.13, 17,679.93 and 4,859.49 is: 7,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.13 : 17,679.93 = 4,859.49 : x
  2. Step 2: Convert to fraction form
    11,780.13/17,679.93 = 4,859.49/x
  3. Step 3: Cross multiply
    11,780.13x = 17,679.93 × 4,859.49
  4. Step 4: Simplify right side
    11,780.13x = 85,915,443.04
  5. Step 5: Solve for x
    x = 85,915,443.04/11,780.13
  6. Step 6: Final answer
    x = 7,293.25

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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.