Home / 22,330.09-30,813.64-12,258.48

Finding the Fourth Proportional to 22,330.09, 30,813.64 and 12,258.48

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Solution

The fourth proportional to 22,330.09, 30,813.64 and 12,258.48 is: 16,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.09 : 30,813.64 = 12,258.48 : x
  2. Step 2: Convert to fraction form
    22,330.09/30,813.64 = 12,258.48/x
  3. Step 3: Cross multiply
    22,330.09x = 30,813.64 × 12,258.48
  4. Step 4: Simplify right side
    22,330.09x = 377,728,389.67
  5. Step 5: Solve for x
    x = 377,728,389.67/22,330.09
  6. Step 6: Final answer
    x = 16,915.67

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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.