Home / 12,116.46-18,177.43-4,219.35

Finding the Fourth Proportional to 12,116.46, 18,177.43 and 4,219.35

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Solution

The fourth proportional to 12,116.46, 18,177.43 and 4,219.35 is: 6,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.46 : 18,177.43 = 4,219.35 : x
  2. Step 2: Convert to fraction form
    12,116.46/18,177.43 = 4,219.35/x
  3. Step 3: Cross multiply
    12,116.46x = 18,177.43 × 4,219.35
  4. Step 4: Simplify right side
    12,116.46x = 76,696,939.27
  5. Step 5: Solve for x
    x = 76,696,939.27/12,116.46
  6. Step 6: Final answer
    x = 6,329.98

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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.