Home / 17,816.80-26,725.68-7,953.76

Finding the Fourth Proportional to 17,816.80, 26,725.68 and 7,953.76

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Solution

The fourth proportional to 17,816.80, 26,725.68 and 7,953.76 is: 11,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.80 : 26,725.68 = 7,953.76 : x
  2. Step 2: Convert to fraction form
    17,816.80/26,725.68 = 7,953.76/x
  3. Step 3: Cross multiply
    17,816.80x = 26,725.68 × 7,953.76
  4. Step 4: Simplify right side
    17,816.80x = 212,569,644.56
  5. Step 5: Solve for x
    x = 212,569,644.56/17,816.80
  6. Step 6: Final answer
    x = 11,930.85

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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.