Home / 22,330.62-30,816.18-12,258.81

Finding the Fourth Proportional to 22,330.62, 30,816.18 and 12,258.81

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Solution

The fourth proportional to 22,330.62, 30,816.18 and 12,258.81 is: 16,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.62 : 30,816.18 = 12,258.81 : x
  2. Step 2: Convert to fraction form
    22,330.62/30,816.18 = 12,258.81/x
  3. Step 3: Cross multiply
    22,330.62x = 30,816.18 × 12,258.81
  4. Step 4: Simplify right side
    22,330.62x = 377,769,695.55
  5. Step 5: Solve for x
    x = 377,769,695.55/22,330.62
  6. Step 6: Final answer
    x = 16,917.12

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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.