Home / 23,159.53-34,785.79-13,817.77

Finding the Fourth Proportional to 23,159.53, 34,785.79 and 13,817.77

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Solution

The fourth proportional to 23,159.53, 34,785.79 and 13,817.77 is: 20,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.53 : 34,785.79 = 13,817.77 : x
  2. Step 2: Convert to fraction form
    23,159.53/34,785.79 = 13,817.77/x
  3. Step 3: Cross multiply
    23,159.53x = 34,785.79 × 13,817.77
  4. Step 4: Simplify right side
    23,159.53x = 480,661,923.98
  5. Step 5: Solve for x
    x = 480,661,923.98/23,159.53
  6. Step 6: Final answer
    x = 20,754.39

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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.