Home / 12,437.74-18,657.98-3,672.66

Finding the Fourth Proportional to 12,437.74, 18,657.98 and 3,672.66

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Solution

The fourth proportional to 12,437.74, 18,657.98 and 3,672.66 is: 5,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.74 : 18,657.98 = 3,672.66 : x
  2. Step 2: Convert to fraction form
    12,437.74/18,657.98 = 3,672.66/x
  3. Step 3: Cross multiply
    12,437.74x = 18,657.98 × 3,672.66
  4. Step 4: Simplify right side
    12,437.74x = 68,524,416.83
  5. Step 5: Solve for x
    x = 68,524,416.83/12,437.74
  6. Step 6: Final answer
    x = 5,509.39

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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.