Home / 14,596.84-20,143.66-8,631.46

Finding the Fourth Proportional to 14,596.84, 20,143.66 and 8,631.46

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Solution

The fourth proportional to 14,596.84, 20,143.66 and 8,631.46 is: 11,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.84 : 20,143.66 = 8,631.46 : x
  2. Step 2: Convert to fraction form
    14,596.84/20,143.66 = 8,631.46/x
  3. Step 3: Cross multiply
    14,596.84x = 20,143.66 × 8,631.46
  4. Step 4: Simplify right side
    14,596.84x = 173,869,195.54
  5. Step 5: Solve for x
    x = 173,869,195.54/14,596.84
  6. Step 6: Final answer
    x = 11,911.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.