Home / 18,385.38-27,544.05-14,210.64

Finding the Fourth Proportional to 18,385.38, 27,544.05 and 14,210.64

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Solution

The fourth proportional to 18,385.38, 27,544.05 and 14,210.64 is: 21,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.38 : 27,544.05 = 14,210.64 : x
  2. Step 2: Convert to fraction form
    18,385.38/27,544.05 = 14,210.64/x
  3. Step 3: Cross multiply
    18,385.38x = 27,544.05 × 14,210.64
  4. Step 4: Simplify right side
    18,385.38x = 391,418,578.69
  5. Step 5: Solve for x
    x = 391,418,578.69/18,385.38
  6. Step 6: Final answer
    x = 21,289.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.