Home / 12,321.86-18,471.74-4,525.22

Finding the Fourth Proportional to 12,321.86, 18,471.74 and 4,525.22

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Solution

The fourth proportional to 12,321.86, 18,471.74 and 4,525.22 is: 6,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.86 : 18,471.74 = 4,525.22 : x
  2. Step 2: Convert to fraction form
    12,321.86/18,471.74 = 4,525.22/x
  3. Step 3: Cross multiply
    12,321.86x = 18,471.74 × 4,525.22
  4. Step 4: Simplify right side
    12,321.86x = 83,588,687.28
  5. Step 5: Solve for x
    x = 83,588,687.28/12,321.86
  6. Step 6: Final answer
    x = 6,783.77

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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.