Home / 22,918.80-34,372.74-12,927.84

Finding the Fourth Proportional to 22,918.80, 34,372.74 and 12,927.84

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Solution

The fourth proportional to 22,918.80, 34,372.74 and 12,927.84 is: 19,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.80 : 34,372.74 = 12,927.84 : x
  2. Step 2: Convert to fraction form
    22,918.80/34,372.74 = 12,927.84/x
  3. Step 3: Cross multiply
    22,918.80x = 34,372.74 × 12,927.84
  4. Step 4: Simplify right side
    22,918.80x = 444,365,283.08
  5. Step 5: Solve for x
    x = 444,365,283.08/22,918.80
  6. Step 6: Final answer
    x = 19,388.68

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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.