Home / 12,238.52-18,360.53-4,447.36

Finding the Fourth Proportional to 12,238.52, 18,360.53 and 4,447.36

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Solution

The fourth proportional to 12,238.52, 18,360.53 and 4,447.36 is: 6,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.52 : 18,360.53 = 4,447.36 : x
  2. Step 2: Convert to fraction form
    12,238.52/18,360.53 = 4,447.36/x
  3. Step 3: Cross multiply
    12,238.52x = 18,360.53 × 4,447.36
  4. Step 4: Simplify right side
    12,238.52x = 81,655,772.66
  5. Step 5: Solve for x
    x = 81,655,772.66/12,238.52
  6. Step 6: Final answer
    x = 6,672.03

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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.