Home / 11,946.67-17,920.19-4,551.55

Finding the Fourth Proportional to 11,946.67, 17,920.19 and 4,551.55

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Solution

The fourth proportional to 11,946.67, 17,920.19 and 4,551.55 is: 6,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.67 : 17,920.19 = 4,551.55 : x
  2. Step 2: Convert to fraction form
    11,946.67/17,920.19 = 4,551.55/x
  3. Step 3: Cross multiply
    11,946.67x = 17,920.19 × 4,551.55
  4. Step 4: Simplify right side
    11,946.67x = 81,564,607.37
  5. Step 5: Solve for x
    x = 81,564,607.37/11,946.67
  6. Step 6: Final answer
    x = 6,827.39

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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.