Home / 12,548.34-18,824.45-4,227.71

Finding the Fourth Proportional to 12,548.34, 18,824.45 and 4,227.71

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Solution

The fourth proportional to 12,548.34, 18,824.45 and 4,227.71 is: 6,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.34 : 18,824.45 = 4,227.71 : x
  2. Step 2: Convert to fraction form
    12,548.34/18,824.45 = 4,227.71/x
  3. Step 3: Cross multiply
    12,548.34x = 18,824.45 × 4,227.71
  4. Step 4: Simplify right side
    12,548.34x = 79,584,200.25
  5. Step 5: Solve for x
    x = 79,584,200.25/12,548.34
  6. Step 6: Final answer
    x = 6,342.21

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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.