Home / 16,942.50-23,380.65-10,318.50

Finding the Fourth Proportional to 16,942.50, 23,380.65 and 10,318.50

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Solution

The fourth proportional to 16,942.50, 23,380.65 and 10,318.50 is: 14,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.50 : 23,380.65 = 10,318.50 : x
  2. Step 2: Convert to fraction form
    16,942.50/23,380.65 = 10,318.50/x
  3. Step 3: Cross multiply
    16,942.50x = 23,380.65 × 10,318.50
  4. Step 4: Simplify right side
    16,942.50x = 241,253,237.03
  5. Step 5: Solve for x
    x = 241,253,237.03/16,942.50
  6. Step 6: Final answer
    x = 14,239.53

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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.