Home / 18,303.82-27,457.56-8,445.92

Finding the Fourth Proportional to 18,303.82, 27,457.56 and 8,445.92

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Solution

The fourth proportional to 18,303.82, 27,457.56 and 8,445.92 is: 12,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.82 : 27,457.56 = 8,445.92 : x
  2. Step 2: Convert to fraction form
    18,303.82/27,457.56 = 8,445.92/x
  3. Step 3: Cross multiply
    18,303.82x = 27,457.56 × 8,445.92
  4. Step 4: Simplify right side
    18,303.82x = 231,904,348.56
  5. Step 5: Solve for x
    x = 231,904,348.56/18,303.82
  6. Step 6: Final answer
    x = 12,669.72

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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.