Home / 12,395.11-18,604.82-9,098.86

Finding the Fourth Proportional to 12,395.11, 18,604.82 and 9,098.86

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Solution

The fourth proportional to 12,395.11, 18,604.82 and 9,098.86 is: 13,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.11 : 18,604.82 = 9,098.86 : x
  2. Step 2: Convert to fraction form
    12,395.11/18,604.82 = 9,098.86/x
  3. Step 3: Cross multiply
    12,395.11x = 18,604.82 × 9,098.86
  4. Step 4: Simplify right side
    12,395.11x = 169,282,652.51
  5. Step 5: Solve for x
    x = 169,282,652.51/12,395.11
  6. Step 6: Final answer
    x = 13,657.21

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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.