Home / 13,234.14-18,262.30-7,265.78

Finding the Fourth Proportional to 13,234.14, 18,262.30 and 7,265.78

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Solution

The fourth proportional to 13,234.14, 18,262.30 and 7,265.78 is: 10,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.14 : 18,262.30 = 7,265.78 : x
  2. Step 2: Convert to fraction form
    13,234.14/18,262.30 = 7,265.78/x
  3. Step 3: Cross multiply
    13,234.14x = 18,262.30 × 7,265.78
  4. Step 4: Simplify right side
    13,234.14x = 132,689,726.45
  5. Step 5: Solve for x
    x = 132,689,726.45/13,234.14
  6. Step 6: Final answer
    x = 10,026.32

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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.