Home / 22,421.75-33,632.30-7,640.96

Finding the Fourth Proportional to 22,421.75, 33,632.30 and 7,640.96

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Solution

The fourth proportional to 22,421.75, 33,632.30 and 7,640.96 is: 11,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.75 : 33,632.30 = 7,640.96 : x
  2. Step 2: Convert to fraction form
    22,421.75/33,632.30 = 7,640.96/x
  3. Step 3: Cross multiply
    22,421.75x = 33,632.30 × 7,640.96
  4. Step 4: Simplify right side
    22,421.75x = 256,982,909.95
  5. Step 5: Solve for x
    x = 256,982,909.95/22,421.75
  6. Step 6: Final answer
    x = 11,461.33

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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.