Home / 13,160.52-19,740.92-7,610.49

Finding the Fourth Proportional to 13,160.52, 19,740.92 and 7,610.49

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Solution

The fourth proportional to 13,160.52, 19,740.92 and 7,610.49 is: 11,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.52 : 19,740.92 = 7,610.49 : x
  2. Step 2: Convert to fraction form
    13,160.52/19,740.92 = 7,610.49/x
  3. Step 3: Cross multiply
    13,160.52x = 19,740.92 × 7,610.49
  4. Step 4: Simplify right side
    13,160.52x = 150,238,074.25
  5. Step 5: Solve for x
    x = 150,238,074.25/13,160.52
  6. Step 6: Final answer
    x = 11,415.82

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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.