Home / 11,106.69-15,324.70-6,631.89

Finding the Fourth Proportional to 11,106.69, 15,324.70 and 6,631.89

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Solution

The fourth proportional to 11,106.69, 15,324.70 and 6,631.89 is: 9,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.69 : 15,324.70 = 6,631.89 : x
  2. Step 2: Convert to fraction form
    11,106.69/15,324.70 = 6,631.89/x
  3. Step 3: Cross multiply
    11,106.69x = 15,324.70 × 6,631.89
  4. Step 4: Simplify right side
    11,106.69x = 101,631,724.68
  5. Step 5: Solve for x
    x = 101,631,724.68/11,106.69
  6. Step 6: Final answer
    x = 9,150.50

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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.