Home / 22,005.16-30,364.20-12,446.35

Finding the Fourth Proportional to 22,005.16, 30,364.20 and 12,446.35

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Solution

The fourth proportional to 22,005.16, 30,364.20 and 12,446.35 is: 17,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.16 : 30,364.20 = 12,446.35 : x
  2. Step 2: Convert to fraction form
    22,005.16/30,364.20 = 12,446.35/x
  3. Step 3: Cross multiply
    22,005.16x = 30,364.20 × 12,446.35
  4. Step 4: Simplify right side
    22,005.16x = 377,923,384.76
  5. Step 5: Solve for x
    x = 377,923,384.76/22,005.16
  6. Step 6: Final answer
    x = 17,174.31

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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.