Home / 15,767.42-21,760.02-8,693.83

Finding the Fourth Proportional to 15,767.42, 21,760.02 and 8,693.83

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Solution

The fourth proportional to 15,767.42, 21,760.02 and 8,693.83 is: 11,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.42 : 21,760.02 = 8,693.83 : x
  2. Step 2: Convert to fraction form
    15,767.42/21,760.02 = 8,693.83/x
  3. Step 3: Cross multiply
    15,767.42x = 21,760.02 × 8,693.83
  4. Step 4: Simplify right side
    15,767.42x = 189,177,914.68
  5. Step 5: Solve for x
    x = 189,177,914.68/15,767.42
  6. Step 6: Final answer
    x = 11,998.03

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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.