Home / 11,185.37-16,780.81-5,565.70

Finding the Fourth Proportional to 11,185.37, 16,780.81 and 5,565.70

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Solution

The fourth proportional to 11,185.37, 16,780.81 and 5,565.70 is: 8,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.37 : 16,780.81 = 5,565.70 : x
  2. Step 2: Convert to fraction form
    11,185.37/16,780.81 = 5,565.70/x
  3. Step 3: Cross multiply
    11,185.37x = 16,780.81 × 5,565.70
  4. Step 4: Simplify right side
    11,185.37x = 93,396,954.22
  5. Step 5: Solve for x
    x = 93,396,954.22/11,185.37
  6. Step 6: Final answer
    x = 8,349.92

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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.