Home / 12,159.08-18,232.86-5,995.88

Finding the Fourth Proportional to 12,159.08, 18,232.86 and 5,995.88

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Solution

The fourth proportional to 12,159.08, 18,232.86 and 5,995.88 is: 8,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.08 : 18,232.86 = 5,995.88 : x
  2. Step 2: Convert to fraction form
    12,159.08/18,232.86 = 5,995.88/x
  3. Step 3: Cross multiply
    12,159.08x = 18,232.86 × 5,995.88
  4. Step 4: Simplify right side
    12,159.08x = 109,322,040.62
  5. Step 5: Solve for x
    x = 109,322,040.62/12,159.08
  6. Step 6: Final answer
    x = 8,990.98

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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.