Home / 19,704.15-27,191.50-10,751.80

Finding the Fourth Proportional to 19,704.15, 27,191.50 and 10,751.80

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Solution

The fourth proportional to 19,704.15, 27,191.50 and 10,751.80 is: 14,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.15 : 27,191.50 = 10,751.80 : x
  2. Step 2: Convert to fraction form
    19,704.15/27,191.50 = 10,751.80/x
  3. Step 3: Cross multiply
    19,704.15x = 27,191.50 × 10,751.80
  4. Step 4: Simplify right side
    19,704.15x = 292,357,579.18
  5. Step 5: Solve for x
    x = 292,357,579.18/19,704.15
  6. Step 6: Final answer
    x = 14,837.36

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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.