Home / 11,780.48-17,639.16-6,222.32

Finding the Fourth Proportional to 11,780.48, 17,639.16 and 6,222.32

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Solution

The fourth proportional to 11,780.48, 17,639.16 and 6,222.32 is: 9,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.48 : 17,639.16 = 6,222.32 : x
  2. Step 2: Convert to fraction form
    11,780.48/17,639.16 = 6,222.32/x
  3. Step 3: Cross multiply
    11,780.48x = 17,639.16 × 6,222.32
  4. Step 4: Simplify right side
    11,780.48x = 109,756,498.05
  5. Step 5: Solve for x
    x = 109,756,498.05/11,780.48
  6. Step 6: Final answer
    x = 9,316.81

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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.