Home / 12,137.06-18,207.11-4,345.88

Finding the Fourth Proportional to 12,137.06, 18,207.11 and 4,345.88

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Solution

The fourth proportional to 12,137.06, 18,207.11 and 4,345.88 is: 6,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.06 : 18,207.11 = 4,345.88 : x
  2. Step 2: Convert to fraction form
    12,137.06/18,207.11 = 4,345.88/x
  3. Step 3: Cross multiply
    12,137.06x = 18,207.11 × 4,345.88
  4. Step 4: Simplify right side
    12,137.06x = 79,125,835.04
  5. Step 5: Solve for x
    x = 79,125,835.04/12,137.06
  6. Step 6: Final answer
    x = 6,519.36

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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.