Home / 22,042.58-30,418.64-11,970.93

Finding the Fourth Proportional to 22,042.58, 30,418.64 and 11,970.93

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Solution

The fourth proportional to 22,042.58, 30,418.64 and 11,970.93 is: 16,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.58 : 30,418.64 = 11,970.93 : x
  2. Step 2: Convert to fraction form
    22,042.58/30,418.64 = 11,970.93/x
  3. Step 3: Cross multiply
    22,042.58x = 30,418.64 × 11,970.93
  4. Step 4: Simplify right side
    22,042.58x = 364,139,350.28
  5. Step 5: Solve for x
    x = 364,139,350.28/22,042.58
  6. Step 6: Final answer
    x = 16,519.82

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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.