Home / 12,441.47-18,662.39-4,442.59

Finding the Fourth Proportional to 12,441.47, 18,662.39 and 4,442.59

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Solution

The fourth proportional to 12,441.47, 18,662.39 and 4,442.59 is: 6,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.47 : 18,662.39 = 4,442.59 : x
  2. Step 2: Convert to fraction form
    12,441.47/18,662.39 = 4,442.59/x
  3. Step 3: Cross multiply
    12,441.47x = 18,662.39 × 4,442.59
  4. Step 4: Simplify right side
    12,441.47x = 82,909,347.19
  5. Step 5: Solve for x
    x = 82,909,347.19/12,441.47
  6. Step 6: Final answer
    x = 6,663.95

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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.