Home / 11,981.84-17,960.60-4,584.40

Finding the Fourth Proportional to 11,981.84, 17,960.60 and 4,584.40

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Solution

The fourth proportional to 11,981.84, 17,960.60 and 4,584.40 is: 6,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.84 : 17,960.60 = 4,584.40 : x
  2. Step 2: Convert to fraction form
    11,981.84/17,960.60 = 4,584.40/x
  3. Step 3: Cross multiply
    11,981.84x = 17,960.60 × 4,584.40
  4. Step 4: Simplify right side
    11,981.84x = 82,338,574.64
  5. Step 5: Solve for x
    x = 82,338,574.64/11,981.84
  6. Step 6: Final answer
    x = 6,871.95

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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.