Home / 12,113.32-18,173.22-4,322.56

Finding the Fourth Proportional to 12,113.32, 18,173.22 and 4,322.56

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Solution

The fourth proportional to 12,113.32, 18,173.22 and 4,322.56 is: 6,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.32 : 18,173.22 = 4,322.56 : x
  2. Step 2: Convert to fraction form
    12,113.32/18,173.22 = 4,322.56/x
  3. Step 3: Cross multiply
    12,113.32x = 18,173.22 × 4,322.56
  4. Step 4: Simplify right side
    12,113.32x = 78,554,833.84
  5. Step 5: Solve for x
    x = 78,554,833.84/12,113.32
  6. Step 6: Final answer
    x = 6,485.00

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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.