Home / 16,381.64-22,604.37-9,210.56

Finding the Fourth Proportional to 16,381.64, 22,604.37 and 9,210.56

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Solution

The fourth proportional to 16,381.64, 22,604.37 and 9,210.56 is: 12,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.64 : 22,604.37 = 9,210.56 : x
  2. Step 2: Convert to fraction form
    16,381.64/22,604.37 = 9,210.56/x
  3. Step 3: Cross multiply
    16,381.64x = 22,604.37 × 9,210.56
  4. Step 4: Simplify right side
    16,381.64x = 208,198,793.13
  5. Step 5: Solve for x
    x = 208,198,793.13/16,381.64
  6. Step 6: Final answer
    x = 12,709.28

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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.