Home / 11,608.20-16,013.19-7,351.74

Finding the Fourth Proportional to 11,608.20, 16,013.19 and 7,351.74

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Solution

The fourth proportional to 11,608.20, 16,013.19 and 7,351.74 is: 10,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.20 : 16,013.19 = 7,351.74 : x
  2. Step 2: Convert to fraction form
    11,608.20/16,013.19 = 7,351.74/x
  3. Step 3: Cross multiply
    11,608.20x = 16,013.19 × 7,351.74
  4. Step 4: Simplify right side
    11,608.20x = 117,724,809.45
  5. Step 5: Solve for x
    x = 117,724,809.45/11,608.20
  6. Step 6: Final answer
    x = 10,141.52

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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.