Home / 22,276.14-33,403.75-12,918.82

Finding the Fourth Proportional to 22,276.14, 33,403.75 and 12,918.82

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Solution

The fourth proportional to 22,276.14, 33,403.75 and 12,918.82 is: 19,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.14 : 33,403.75 = 12,918.82 : x
  2. Step 2: Convert to fraction form
    22,276.14/33,403.75 = 12,918.82/x
  3. Step 3: Cross multiply
    22,276.14x = 33,403.75 × 12,918.82
  4. Step 4: Simplify right side
    22,276.14x = 431,537,033.58
  5. Step 5: Solve for x
    x = 431,537,033.58/22,276.14
  6. Step 6: Final answer
    x = 19,372.16

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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.