Home / 19,816.68-29,727.78-6,672.81

Finding the Fourth Proportional to 19,816.68, 29,727.78 and 6,672.81

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Solution

The fourth proportional to 19,816.68, 29,727.78 and 6,672.81 is: 10,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.68 : 29,727.78 = 6,672.81 : x
  2. Step 2: Convert to fraction form
    19,816.68/29,727.78 = 6,672.81/x
  3. Step 3: Cross multiply
    19,816.68x = 29,727.78 × 6,672.81
  4. Step 4: Simplify right side
    19,816.68x = 198,367,914.12
  5. Step 5: Solve for x
    x = 198,367,914.12/19,816.68
  6. Step 6: Final answer
    x = 10,010.15

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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.