Home / 12,241.59-18,355.80-4,342.86

Finding the Fourth Proportional to 12,241.59, 18,355.80 and 4,342.86

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Solution

The fourth proportional to 12,241.59, 18,355.80 and 4,342.86 is: 6,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.59 : 18,355.80 = 4,342.86 : x
  2. Step 2: Convert to fraction form
    12,241.59/18,355.80 = 4,342.86/x
  3. Step 3: Cross multiply
    12,241.59x = 18,355.80 × 4,342.86
  4. Step 4: Simplify right side
    12,241.59x = 79,716,669.59
  5. Step 5: Solve for x
    x = 79,716,669.59/12,241.59
  6. Step 6: Final answer
    x = 6,511.95

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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.