Home / 22,330.04-30,816.32-12,258.90

Finding the Fourth Proportional to 22,330.04, 30,816.32 and 12,258.90

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Solution

The fourth proportional to 22,330.04, 30,816.32 and 12,258.90 is: 16,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.04 : 30,816.32 = 12,258.90 : x
  2. Step 2: Convert to fraction form
    22,330.04/30,816.32 = 12,258.90/x
  3. Step 3: Cross multiply
    22,330.04x = 30,816.32 × 12,258.90
  4. Step 4: Simplify right side
    22,330.04x = 377,774,123.95
  5. Step 5: Solve for x
    x = 377,774,123.95/22,330.04
  6. Step 6: Final answer
    x = 16,917.76

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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.