Home / 19,715.98-27,201.54-13,004.95

Finding the Fourth Proportional to 19,715.98, 27,201.54 and 13,004.95

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Solution

The fourth proportional to 19,715.98, 27,201.54 and 13,004.95 is: 17,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.98 : 27,201.54 = 13,004.95 : x
  2. Step 2: Convert to fraction form
    19,715.98/27,201.54 = 13,004.95/x
  3. Step 3: Cross multiply
    19,715.98x = 27,201.54 × 13,004.95
  4. Step 4: Simplify right side
    19,715.98x = 353,754,667.62
  5. Step 5: Solve for x
    x = 353,754,667.62/19,715.98
  6. Step 6: Final answer
    x = 17,942.54

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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.