Home / 13,177.74-19,757.87-7,257.42

Finding the Fourth Proportional to 13,177.74, 19,757.87 and 7,257.42

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Solution

The fourth proportional to 13,177.74, 19,757.87 and 7,257.42 is: 10,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.74 : 19,757.87 = 7,257.42 : x
  2. Step 2: Convert to fraction form
    13,177.74/19,757.87 = 7,257.42/x
  3. Step 3: Cross multiply
    13,177.74x = 19,757.87 × 7,257.42
  4. Step 4: Simplify right side
    13,177.74x = 143,391,124.61
  5. Step 5: Solve for x
    x = 143,391,124.61/13,177.74
  6. Step 6: Final answer
    x = 10,881.31

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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.