Home / 22,430.20-33,645.42-7,640.68

Finding the Fourth Proportional to 22,430.20, 33,645.42 and 7,640.68

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Solution

The fourth proportional to 22,430.20, 33,645.42 and 7,640.68 is: 11,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.20 : 33,645.42 = 7,640.68 : x
  2. Step 2: Convert to fraction form
    22,430.20/33,645.42 = 7,640.68/x
  3. Step 3: Cross multiply
    22,430.20x = 33,645.42 × 7,640.68
  4. Step 4: Simplify right side
    22,430.20x = 257,073,887.69
  5. Step 5: Solve for x
    x = 257,073,887.69/22,430.20
  6. Step 6: Final answer
    x = 11,461.06

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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.