Home / 22,216.62-30,658.87-12,145.07

Finding the Fourth Proportional to 22,216.62, 30,658.87 and 12,145.07

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Solution

The fourth proportional to 22,216.62, 30,658.87 and 12,145.07 is: 16,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.62 : 30,658.87 = 12,145.07 : x
  2. Step 2: Convert to fraction form
    22,216.62/30,658.87 = 12,145.07/x
  3. Step 3: Cross multiply
    22,216.62x = 30,658.87 × 12,145.07
  4. Step 4: Simplify right side
    22,216.62x = 372,354,214.10
  5. Step 5: Solve for x
    x = 372,354,214.10/22,216.62
  6. Step 6: Final answer
    x = 16,760.16

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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.