Home / 12,695.18-19,031.82-6,125.98

Finding the Fourth Proportional to 12,695.18, 19,031.82 and 6,125.98

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Solution

The fourth proportional to 12,695.18, 19,031.82 and 6,125.98 is: 9,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.18 : 19,031.82 = 6,125.98 : x
  2. Step 2: Convert to fraction form
    12,695.18/19,031.82 = 6,125.98/x
  3. Step 3: Cross multiply
    12,695.18x = 19,031.82 × 6,125.98
  4. Step 4: Simplify right side
    12,695.18x = 116,588,548.68
  5. Step 5: Solve for x
    x = 116,588,548.68/12,695.18
  6. Step 6: Final answer
    x = 9,183.69

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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.