Home / 22,013.77-30,375.79-12,580.51

Finding the Fourth Proportional to 22,013.77, 30,375.79 and 12,580.51

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Solution

The fourth proportional to 22,013.77, 30,375.79 and 12,580.51 is: 17,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.77 : 30,375.79 = 12,580.51 : x
  2. Step 2: Convert to fraction form
    22,013.77/30,375.79 = 12,580.51/x
  3. Step 3: Cross multiply
    22,013.77x = 30,375.79 × 12,580.51
  4. Step 4: Simplify right side
    22,013.77x = 382,142,929.85
  5. Step 5: Solve for x
    x = 382,142,929.85/22,013.77
  6. Step 6: Final answer
    x = 17,359.27

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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.