Home / 14,912.94-20,558.30-9,868.71

Finding the Fourth Proportional to 14,912.94, 20,558.30 and 9,868.71

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Solution

The fourth proportional to 14,912.94, 20,558.30 and 9,868.71 is: 13,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.94 : 20,558.30 = 9,868.71 : x
  2. Step 2: Convert to fraction form
    14,912.94/20,558.30 = 9,868.71/x
  3. Step 3: Cross multiply
    14,912.94x = 20,558.30 × 9,868.71
  4. Step 4: Simplify right side
    14,912.94x = 202,883,900.79
  5. Step 5: Solve for x
    x = 202,883,900.79/14,912.94
  6. Step 6: Final answer
    x = 13,604.55

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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.