Home / 12,539.74-17,305.38-7,234.54

Finding the Fourth Proportional to 12,539.74, 17,305.38 and 7,234.54

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Solution

The fourth proportional to 12,539.74, 17,305.38 and 7,234.54 is: 9,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.74 : 17,305.38 = 7,234.54 : x
  2. Step 2: Convert to fraction form
    12,539.74/17,305.38 = 7,234.54/x
  3. Step 3: Cross multiply
    12,539.74x = 17,305.38 × 7,234.54
  4. Step 4: Simplify right side
    12,539.74x = 125,196,463.83
  5. Step 5: Solve for x
    x = 125,196,463.83/12,539.74
  6. Step 6: Final answer
    x = 9,983.98

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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.