Home / 22,222.44-33,345.96-13,315.89

Finding the Fourth Proportional to 22,222.44, 33,345.96 and 13,315.89

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Solution

The fourth proportional to 22,222.44, 33,345.96 and 13,315.89 is: 19,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.44 : 33,345.96 = 13,315.89 : x
  2. Step 2: Convert to fraction form
    22,222.44/33,345.96 = 13,315.89/x
  3. Step 3: Cross multiply
    22,222.44x = 33,345.96 × 13,315.89
  4. Step 4: Simplify right side
    22,222.44x = 444,031,135.30
  5. Step 5: Solve for x
    x = 444,031,135.30/22,222.44
  6. Step 6: Final answer
    x = 19,981.21

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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.