Home / 12,433.28-18,654.90-4,536.39

Finding the Fourth Proportional to 12,433.28, 18,654.90 and 4,536.39

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Solution

The fourth proportional to 12,433.28, 18,654.90 and 4,536.39 is: 6,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.28 : 18,654.90 = 4,536.39 : x
  2. Step 2: Convert to fraction form
    12,433.28/18,654.90 = 4,536.39/x
  3. Step 3: Cross multiply
    12,433.28x = 18,654.90 × 4,536.39
  4. Step 4: Simplify right side
    12,433.28x = 84,625,862.58
  5. Step 5: Solve for x
    x = 84,625,862.58/12,433.28
  6. Step 6: Final answer
    x = 6,806.40

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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.