Home / 14,951.25-20,640.21-11,586.51

Finding the Fourth Proportional to 14,951.25, 20,640.21 and 11,586.51

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Solution

The fourth proportional to 14,951.25, 20,640.21 and 11,586.51 is: 15,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.25 : 20,640.21 = 11,586.51 : x
  2. Step 2: Convert to fraction form
    14,951.25/20,640.21 = 11,586.51/x
  3. Step 3: Cross multiply
    14,951.25x = 20,640.21 × 11,586.51
  4. Step 4: Simplify right side
    14,951.25x = 239,147,999.57
  5. Step 5: Solve for x
    x = 239,147,999.57/14,951.25
  6. Step 6: Final answer
    x = 15,995.18

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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.