Home / 19,455.38-26,810.97-14,141.78

Finding the Fourth Proportional to 19,455.38, 26,810.97 and 14,141.78

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Solution

The fourth proportional to 19,455.38, 26,810.97 and 14,141.78 is: 19,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.38 : 26,810.97 = 14,141.78 : x
  2. Step 2: Convert to fraction form
    19,455.38/26,810.97 = 14,141.78/x
  3. Step 3: Cross multiply
    19,455.38x = 26,810.97 × 14,141.78
  4. Step 4: Simplify right side
    19,455.38x = 379,154,839.33
  5. Step 5: Solve for x
    x = 379,154,839.33/19,455.38
  6. Step 6: Final answer
    x = 19,488.43

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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.