Home / 18,023.86-27,041.57-8,664.56

Finding the Fourth Proportional to 18,023.86, 27,041.57 and 8,664.56

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Solution

The fourth proportional to 18,023.86, 27,041.57 and 8,664.56 is: 12,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.86 : 27,041.57 = 8,664.56 : x
  2. Step 2: Convert to fraction form
    18,023.86/27,041.57 = 8,664.56/x
  3. Step 3: Cross multiply
    18,023.86x = 27,041.57 × 8,664.56
  4. Step 4: Simplify right side
    18,023.86x = 234,303,361.55
  5. Step 5: Solve for x
    x = 234,303,361.55/18,023.86
  6. Step 6: Final answer
    x = 12,999.62

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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.