Home / 12,042.20-18,056.10-6,210.20

Finding the Fourth Proportional to 12,042.20, 18,056.10 and 6,210.20

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Solution

The fourth proportional to 12,042.20, 18,056.10 and 6,210.20 is: 9,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.20 : 18,056.10 = 6,210.20 : x
  2. Step 2: Convert to fraction form
    12,042.20/18,056.10 = 6,210.20/x
  3. Step 3: Cross multiply
    12,042.20x = 18,056.10 × 6,210.20
  4. Step 4: Simplify right side
    12,042.20x = 112,131,992.22
  5. Step 5: Solve for x
    x = 112,131,992.22/12,042.20
  6. Step 6: Final answer
    x = 9,311.59

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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.