Home / 13,657.07-20,490.55-4,773.71

Finding the Fourth Proportional to 13,657.07, 20,490.55 and 4,773.71

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Solution

The fourth proportional to 13,657.07, 20,490.55 and 4,773.71 is: 7,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.07 : 20,490.55 = 4,773.71 : x
  2. Step 2: Convert to fraction form
    13,657.07/20,490.55 = 4,773.71/x
  3. Step 3: Cross multiply
    13,657.07x = 20,490.55 × 4,773.71
  4. Step 4: Simplify right side
    13,657.07x = 97,815,982.73
  5. Step 5: Solve for x
    x = 97,815,982.73/13,657.07
  6. Step 6: Final answer
    x = 7,162.30

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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.