Home / 11,280.79-16,924.83-4,708.86

Finding the Fourth Proportional to 11,280.79, 16,924.83 and 4,708.86

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Solution

The fourth proportional to 11,280.79, 16,924.83 and 4,708.86 is: 7,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.79 : 16,924.83 = 4,708.86 : x
  2. Step 2: Convert to fraction form
    11,280.79/16,924.83 = 4,708.86/x
  3. Step 3: Cross multiply
    11,280.79x = 16,924.83 × 4,708.86
  4. Step 4: Simplify right side
    11,280.79x = 79,696,654.99
  5. Step 5: Solve for x
    x = 79,696,654.99/11,280.79
  6. Step 6: Final answer
    x = 7,064.81

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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.