Home / 12,680.46-19,017.06-4,887.48

Finding the Fourth Proportional to 12,680.46, 19,017.06 and 4,887.48

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Solution

The fourth proportional to 12,680.46, 19,017.06 and 4,887.48 is: 7,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.46 : 19,017.06 = 4,887.48 : x
  2. Step 2: Convert to fraction form
    12,680.46/19,017.06 = 4,887.48/x
  3. Step 3: Cross multiply
    12,680.46x = 19,017.06 × 4,887.48
  4. Step 4: Simplify right side
    12,680.46x = 92,945,500.41
  5. Step 5: Solve for x
    x = 92,945,500.41/12,680.46
  6. Step 6: Final answer
    x = 7,329.82

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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.