Home / 12,001.87-18,000.63-3,234.74

Finding the Fourth Proportional to 12,001.87, 18,000.63 and 3,234.74

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Solution

The fourth proportional to 12,001.87, 18,000.63 and 3,234.74 is: 4,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.87 : 18,000.63 = 3,234.74 : x
  2. Step 2: Convert to fraction form
    12,001.87/18,000.63 = 3,234.74/x
  3. Step 3: Cross multiply
    12,001.87x = 18,000.63 × 3,234.74
  4. Step 4: Simplify right side
    12,001.87x = 58,227,267.88
  5. Step 5: Solve for x
    x = 58,227,267.88/12,001.87
  6. Step 6: Final answer
    x = 4,851.52

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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.