Home / 14,124.39-21,189.29-7,105.92

Finding the Fourth Proportional to 14,124.39, 21,189.29 and 7,105.92

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Solution

The fourth proportional to 14,124.39, 21,189.29 and 7,105.92 is: 10,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.39 : 21,189.29 = 7,105.92 : x
  2. Step 2: Convert to fraction form
    14,124.39/21,189.29 = 7,105.92/x
  3. Step 3: Cross multiply
    14,124.39x = 21,189.29 × 7,105.92
  4. Step 4: Simplify right side
    14,124.39x = 150,569,399.60
  5. Step 5: Solve for x
    x = 150,569,399.60/14,124.39
  6. Step 6: Final answer
    x = 10,660.24

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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.