Home / 12,330.76-18,494.70-4,934.92

Finding the Fourth Proportional to 12,330.76, 18,494.70 and 4,934.92

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Solution

The fourth proportional to 12,330.76, 18,494.70 and 4,934.92 is: 7,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.76 : 18,494.70 = 4,934.92 : x
  2. Step 2: Convert to fraction form
    12,330.76/18,494.70 = 4,934.92/x
  3. Step 3: Cross multiply
    12,330.76x = 18,494.70 × 4,934.92
  4. Step 4: Simplify right side
    12,330.76x = 91,269,864.92
  5. Step 5: Solve for x
    x = 91,269,864.92/12,330.76
  6. Step 6: Final answer
    x = 7,401.80

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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.