Home / 11,350.19-15,661.79-6,313.42

Finding the Fourth Proportional to 11,350.19, 15,661.79 and 6,313.42

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Solution

The fourth proportional to 11,350.19, 15,661.79 and 6,313.42 is: 8,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.19 : 15,661.79 = 6,313.42 : x
  2. Step 2: Convert to fraction form
    11,350.19/15,661.79 = 6,313.42/x
  3. Step 3: Cross multiply
    11,350.19x = 15,661.79 × 6,313.42
  4. Step 4: Simplify right side
    11,350.19x = 98,879,348.35
  5. Step 5: Solve for x
    x = 98,879,348.35/11,350.19
  6. Step 6: Final answer
    x = 8,711.69

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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.