Home / 12,437.82-18,658.62-4,119.93

Finding the Fourth Proportional to 12,437.82, 18,658.62 and 4,119.93

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Solution

The fourth proportional to 12,437.82, 18,658.62 and 4,119.93 is: 6,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.82 : 18,658.62 = 4,119.93 : x
  2. Step 2: Convert to fraction form
    12,437.82/18,658.62 = 4,119.93/x
  3. Step 3: Cross multiply
    12,437.82x = 18,658.62 × 4,119.93
  4. Step 4: Simplify right side
    12,437.82x = 76,872,208.30
  5. Step 5: Solve for x
    x = 76,872,208.30/12,437.82
  6. Step 6: Final answer
    x = 6,180.52

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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.