Home / 22,316.67-33,458.60-10,638.09

Finding the Fourth Proportional to 22,316.67, 33,458.60 and 10,638.09

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Solution

The fourth proportional to 22,316.67, 33,458.60 and 10,638.09 is: 15,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.67 : 33,458.60 = 10,638.09 : x
  2. Step 2: Convert to fraction form
    22,316.67/33,458.60 = 10,638.09/x
  3. Step 3: Cross multiply
    22,316.67x = 33,458.60 × 10,638.09
  4. Step 4: Simplify right side
    22,316.67x = 355,935,624.67
  5. Step 5: Solve for x
    x = 355,935,624.67/22,316.67
  6. Step 6: Final answer
    x = 15,949.32

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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.