Home / 21,586.26-32,414.57-13,318.83

Finding the Fourth Proportional to 21,586.26, 32,414.57 and 13,318.83

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Solution

The fourth proportional to 21,586.26, 32,414.57 and 13,318.83 is: 19,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.26 : 32,414.57 = 13,318.83 : x
  2. Step 2: Convert to fraction form
    21,586.26/32,414.57 = 13,318.83/x
  3. Step 3: Cross multiply
    21,586.26x = 32,414.57 × 13,318.83
  4. Step 4: Simplify right side
    21,586.26x = 431,724,130.70
  5. Step 5: Solve for x
    x = 431,724,130.70/21,586.26
  6. Step 6: Final answer
    x = 19,999.95

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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.