Home / 13,013.97-19,526.42-6,775.57

Finding the Fourth Proportional to 13,013.97, 19,526.42 and 6,775.57

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Solution

The fourth proportional to 13,013.97, 19,526.42 and 6,775.57 is: 10,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.97 : 19,526.42 = 6,775.57 : x
  2. Step 2: Convert to fraction form
    13,013.97/19,526.42 = 6,775.57/x
  3. Step 3: Cross multiply
    13,013.97x = 19,526.42 × 6,775.57
  4. Step 4: Simplify right side
    13,013.97x = 132,302,625.56
  5. Step 5: Solve for x
    x = 132,302,625.56/13,013.97
  6. Step 6: Final answer
    x = 10,166.20

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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.