Home / 12,346.76-18,519.71-4,949.24

Finding the Fourth Proportional to 12,346.76, 18,519.71 and 4,949.24

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Solution

The fourth proportional to 12,346.76, 18,519.71 and 4,949.24 is: 7,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.76 : 18,519.71 = 4,949.24 : x
  2. Step 2: Convert to fraction form
    12,346.76/18,519.71 = 4,949.24/x
  3. Step 3: Cross multiply
    12,346.76x = 18,519.71 × 4,949.24
  4. Step 4: Simplify right side
    12,346.76x = 91,658,372.18
  5. Step 5: Solve for x
    x = 91,658,372.18/12,346.76
  6. Step 6: Final answer
    x = 7,423.68

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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.