Home / 13,860.57-19,127.17-7,572.94

Finding the Fourth Proportional to 13,860.57, 19,127.17 and 7,572.94

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Solution

The fourth proportional to 13,860.57, 19,127.17 and 7,572.94 is: 10,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.57 : 19,127.17 = 7,572.94 : x
  2. Step 2: Convert to fraction form
    13,860.57/19,127.17 = 7,572.94/x
  3. Step 3: Cross multiply
    13,860.57x = 19,127.17 × 7,572.94
  4. Step 4: Simplify right side
    13,860.57x = 144,848,910.78
  5. Step 5: Solve for x
    x = 144,848,910.78/13,860.57
  6. Step 6: Final answer
    x = 10,450.43

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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.