Home / 18,816.59-28,224.89-6,974.43

Finding the Fourth Proportional to 18,816.59, 28,224.89 and 6,974.43

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Solution

The fourth proportional to 18,816.59, 28,224.89 and 6,974.43 is: 10,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.59 : 28,224.89 = 6,974.43 : x
  2. Step 2: Convert to fraction form
    18,816.59/28,224.89 = 6,974.43/x
  3. Step 3: Cross multiply
    18,816.59x = 28,224.89 × 6,974.43
  4. Step 4: Simplify right side
    18,816.59x = 196,852,484.69
  5. Step 5: Solve for x
    x = 196,852,484.69/18,816.59
  6. Step 6: Final answer
    x = 10,461.65

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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.