Home / 12,000.12-18,000.24-3,235.08

Finding the Fourth Proportional to 12,000.12, 18,000.24 and 3,235.08

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Solution

The fourth proportional to 12,000.12, 18,000.24 and 3,235.08 is: 4,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.12 : 18,000.24 = 3,235.08 : x
  2. Step 2: Convert to fraction form
    12,000.12/18,000.24 = 3,235.08/x
  3. Step 3: Cross multiply
    12,000.12x = 18,000.24 × 3,235.08
  4. Step 4: Simplify right side
    12,000.12x = 58,232,216.42
  5. Step 5: Solve for x
    x = 58,232,216.42/12,000.12
  6. Step 6: Final answer
    x = 4,852.64

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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.