Home / 13,671.73-20,510.40-5,237.65

Finding the Fourth Proportional to 13,671.73, 20,510.40 and 5,237.65

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Solution

The fourth proportional to 13,671.73, 20,510.40 and 5,237.65 is: 7,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.73 : 20,510.40 = 5,237.65 : x
  2. Step 2: Convert to fraction form
    13,671.73/20,510.40 = 5,237.65/x
  3. Step 3: Cross multiply
    13,671.73x = 20,510.40 × 5,237.65
  4. Step 4: Simplify right side
    13,671.73x = 107,426,194.01
  5. Step 5: Solve for x
    x = 107,426,194.01/13,671.73
  6. Step 6: Final answer
    x = 7,857.54

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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.