Home / 14,986.70-22,450.35-13,139.90

Finding the Fourth Proportional to 14,986.70, 22,450.35 and 13,139.90

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Solution

The fourth proportional to 14,986.70, 22,450.35 and 13,139.90 is: 19,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.70 : 22,450.35 = 13,139.90 : x
  2. Step 2: Convert to fraction form
    14,986.70/22,450.35 = 13,139.90/x
  3. Step 3: Cross multiply
    14,986.70x = 22,450.35 × 13,139.90
  4. Step 4: Simplify right side
    14,986.70x = 294,995,353.97
  5. Step 5: Solve for x
    x = 294,995,353.97/14,986.70
  6. Step 6: Final answer
    x = 19,683.81

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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.