Home / 19,134.27-28,709.55-10,801.80

Finding the Fourth Proportional to 19,134.27, 28,709.55 and 10,801.80

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Solution

The fourth proportional to 19,134.27, 28,709.55 and 10,801.80 is: 16,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.27 : 28,709.55 = 10,801.80 : x
  2. Step 2: Convert to fraction form
    19,134.27/28,709.55 = 10,801.80/x
  3. Step 3: Cross multiply
    19,134.27x = 28,709.55 × 10,801.80
  4. Step 4: Simplify right side
    19,134.27x = 310,114,817.19
  5. Step 5: Solve for x
    x = 310,114,817.19/19,134.27
  6. Step 6: Final answer
    x = 16,207.30

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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.