Home / 22,515.09-33,749.96-10,821.93

Finding the Fourth Proportional to 22,515.09, 33,749.96 and 10,821.93

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Solution

The fourth proportional to 22,515.09, 33,749.96 and 10,821.93 is: 16,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.09 : 33,749.96 = 10,821.93 : x
  2. Step 2: Convert to fraction form
    22,515.09/33,749.96 = 10,821.93/x
  3. Step 3: Cross multiply
    22,515.09x = 33,749.96 × 10,821.93
  4. Step 4: Simplify right side
    22,515.09x = 365,239,650.51
  5. Step 5: Solve for x
    x = 365,239,650.51/22,515.09
  6. Step 6: Final answer
    x = 16,221.99

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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.