Home / 14,760.68-20,377.26-10,005.75

Finding the Fourth Proportional to 14,760.68, 20,377.26 and 10,005.75

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Solution

The fourth proportional to 14,760.68, 20,377.26 and 10,005.75 is: 13,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.68 : 20,377.26 = 10,005.75 : x
  2. Step 2: Convert to fraction form
    14,760.68/20,377.26 = 10,005.75/x
  3. Step 3: Cross multiply
    14,760.68x = 20,377.26 × 10,005.75
  4. Step 4: Simplify right side
    14,760.68x = 203,889,769.25
  5. Step 5: Solve for x
    x = 203,889,769.25/14,760.68
  6. Step 6: Final answer
    x = 13,813.04

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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.