Home / 13,923.60-20,887.74-6,903.96

Finding the Fourth Proportional to 13,923.60, 20,887.74 and 6,903.96

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Solution

The fourth proportional to 13,923.60, 20,887.74 and 6,903.96 is: 10,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.60 : 20,887.74 = 6,903.96 : x
  2. Step 2: Convert to fraction form
    13,923.60/20,887.74 = 6,903.96/x
  3. Step 3: Cross multiply
    13,923.60x = 20,887.74 × 6,903.96
  4. Step 4: Simplify right side
    13,923.60x = 144,208,121.45
  5. Step 5: Solve for x
    x = 144,208,121.45/13,923.60
  6. Step 6: Final answer
    x = 10,357.10

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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.