Home / 22,078.54-30,468.36-12,647.14

Finding the Fourth Proportional to 22,078.54, 30,468.36 and 12,647.14

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Solution

The fourth proportional to 22,078.54, 30,468.36 and 12,647.14 is: 17,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.54 : 30,468.36 = 12,647.14 : x
  2. Step 2: Convert to fraction form
    22,078.54/30,468.36 = 12,647.14/x
  3. Step 3: Cross multiply
    22,078.54x = 30,468.36 × 12,647.14
  4. Step 4: Simplify right side
    22,078.54x = 385,337,614.49
  5. Step 5: Solve for x
    x = 385,337,614.49/22,078.54
  6. Step 6: Final answer
    x = 17,453.04

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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.