Home / 12,423.42-18,634.62-4,103.19

Finding the Fourth Proportional to 12,423.42, 18,634.62 and 4,103.19

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Solution

The fourth proportional to 12,423.42, 18,634.62 and 4,103.19 is: 6,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.42 : 18,634.62 = 4,103.19 : x
  2. Step 2: Convert to fraction form
    12,423.42/18,634.62 = 4,103.19/x
  3. Step 3: Cross multiply
    12,423.42x = 18,634.62 × 4,103.19
  4. Step 4: Simplify right side
    12,423.42x = 76,461,386.44
  5. Step 5: Solve for x
    x = 76,461,386.44/12,423.42
  6. Step 6: Final answer
    x = 6,154.62

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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.