Home / 13,508.06-18,641.07-7,539.73

Finding the Fourth Proportional to 13,508.06, 18,641.07 and 7,539.73

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Solution

The fourth proportional to 13,508.06, 18,641.07 and 7,539.73 is: 10,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.06 : 18,641.07 = 7,539.73 : x
  2. Step 2: Convert to fraction form
    13,508.06/18,641.07 = 7,539.73/x
  3. Step 3: Cross multiply
    13,508.06x = 18,641.07 × 7,539.73
  4. Step 4: Simplify right side
    13,508.06x = 140,548,588.11
  5. Step 5: Solve for x
    x = 140,548,588.11/13,508.06
  6. Step 6: Final answer
    x = 10,404.80

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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.