Home / 22,281.70-33,421.32-7,489.09

Finding the Fourth Proportional to 22,281.70, 33,421.32 and 7,489.09

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Solution

The fourth proportional to 22,281.70, 33,421.32 and 7,489.09 is: 11,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.70 : 33,421.32 = 7,489.09 : x
  2. Step 2: Convert to fraction form
    22,281.70/33,421.32 = 7,489.09/x
  3. Step 3: Cross multiply
    22,281.70x = 33,421.32 × 7,489.09
  4. Step 4: Simplify right side
    22,281.70x = 250,295,273.40
  5. Step 5: Solve for x
    x = 250,295,273.40/22,281.70
  6. Step 6: Final answer
    x = 11,233.22

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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.