Home / 12,256.22-18,380.18-4,358.39

Finding the Fourth Proportional to 12,256.22, 18,380.18 and 4,358.39

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Solution

The fourth proportional to 12,256.22, 18,380.18 and 4,358.39 is: 6,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.22 : 18,380.18 = 4,358.39 : x
  2. Step 2: Convert to fraction form
    12,256.22/18,380.18 = 4,358.39/x
  3. Step 3: Cross multiply
    12,256.22x = 18,380.18 × 4,358.39
  4. Step 4: Simplify right side
    12,256.22x = 80,107,911.71
  5. Step 5: Solve for x
    x = 80,107,911.71/12,256.22
  6. Step 6: Final answer
    x = 6,536.10

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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.