Home / 22,011.67-30,375.57-12,579.63

Finding the Fourth Proportional to 22,011.67, 30,375.57 and 12,579.63

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Solution

The fourth proportional to 22,011.67, 30,375.57 and 12,579.63 is: 17,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.67 : 30,375.57 = 12,579.63 : x
  2. Step 2: Convert to fraction form
    22,011.67/30,375.57 = 12,579.63/x
  3. Step 3: Cross multiply
    22,011.67x = 30,375.57 × 12,579.63
  4. Step 4: Simplify right side
    22,011.67x = 382,113,431.64
  5. Step 5: Solve for x
    x = 382,113,431.64/22,011.67
  6. Step 6: Final answer
    x = 17,359.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.