Home / 11,688.12-17,528.22-3,894.84

Finding the Fourth Proportional to 11,688.12, 17,528.22 and 3,894.84

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Solution

The fourth proportional to 11,688.12, 17,528.22 and 3,894.84 is: 5,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.12 : 17,528.22 = 3,894.84 : x
  2. Step 2: Convert to fraction form
    11,688.12/17,528.22 = 3,894.84/x
  3. Step 3: Cross multiply
    11,688.12x = 17,528.22 × 3,894.84
  4. Step 4: Simplify right side
    11,688.12x = 68,269,612.38
  5. Step 5: Solve for x
    x = 68,269,612.38/11,688.12
  6. Step 6: Final answer
    x = 5,840.94

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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.