Home / 11,946.47-17,920.39-3,626.76

Finding the Fourth Proportional to 11,946.47, 17,920.39 and 3,626.76

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Solution

The fourth proportional to 11,946.47, 17,920.39 and 3,626.76 is: 5,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.47 : 17,920.39 = 3,626.76 : x
  2. Step 2: Convert to fraction form
    11,946.47/17,920.39 = 3,626.76/x
  3. Step 3: Cross multiply
    11,946.47x = 17,920.39 × 3,626.76
  4. Step 4: Simplify right side
    11,946.47x = 64,992,953.64
  5. Step 5: Solve for x
    x = 64,992,953.64/11,946.47
  6. Step 6: Final answer
    x = 5,440.35

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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.