Home / 13,922.79-20,869.61-5,600.85

Finding the Fourth Proportional to 13,922.79, 20,869.61 and 5,600.85

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Solution

The fourth proportional to 13,922.79, 20,869.61 and 5,600.85 is: 8,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.79 : 20,869.61 = 5,600.85 : x
  2. Step 2: Convert to fraction form
    13,922.79/20,869.61 = 5,600.85/x
  3. Step 3: Cross multiply
    13,922.79x = 20,869.61 × 5,600.85
  4. Step 4: Simplify right side
    13,922.79x = 116,887,527.16
  5. Step 5: Solve for x
    x = 116,887,527.16/13,922.79
  6. Step 6: Final answer
    x = 8,395.41

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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.