Home / 14,932.72-20,615-10,177.84

Finding the Fourth Proportional to 14,932.72, 20,615 and 10,177.84

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Solution

The fourth proportional to 14,932.72, 20,615 and 10,177.84 is: 14,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.72 : 20,615 = 10,177.84 : x
  2. Step 2: Convert to fraction form
    14,932.72/20,615 = 10,177.84/x
  3. Step 3: Cross multiply
    14,932.72x = 20,615 × 10,177.84
  4. Step 4: Simplify right side
    14,932.72x = 209,816,171.60
  5. Step 5: Solve for x
    x = 209,816,171.60/14,932.72
  6. Step 6: Final answer
    x = 14,050.77

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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.