Home / 12,238.28-18,346.27-4,445.27

Finding the Fourth Proportional to 12,238.28, 18,346.27 and 4,445.27

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Solution

The fourth proportional to 12,238.28, 18,346.27 and 4,445.27 is: 6,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.28 : 18,346.27 = 4,445.27 : x
  2. Step 2: Convert to fraction form
    12,238.28/18,346.27 = 4,445.27/x
  3. Step 3: Cross multiply
    12,238.28x = 18,346.27 × 4,445.27
  4. Step 4: Simplify right side
    12,238.28x = 81,554,123.64
  5. Step 5: Solve for x
    x = 81,554,123.64/12,238.28
  6. Step 6: Final answer
    x = 6,663.86

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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.