Home / 22,225.32-30,678.66-12,797.64

Finding the Fourth Proportional to 22,225.32, 30,678.66 and 12,797.64

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Solution

The fourth proportional to 22,225.32, 30,678.66 and 12,797.64 is: 17,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.32 : 30,678.66 = 12,797.64 : x
  2. Step 2: Convert to fraction form
    22,225.32/30,678.66 = 12,797.64/x
  3. Step 3: Cross multiply
    22,225.32x = 30,678.66 × 12,797.64
  4. Step 4: Simplify right side
    22,225.32x = 392,614,446.36
  5. Step 5: Solve for x
    x = 392,614,446.36/22,225.32
  6. Step 6: Final answer
    x = 17,665.19

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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.