Home / 18,583.38-25,638.77-10,619.93

Finding the Fourth Proportional to 18,583.38, 25,638.77 and 10,619.93

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Solution

The fourth proportional to 18,583.38, 25,638.77 and 10,619.93 is: 14,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.38 : 25,638.77 = 10,619.93 : x
  2. Step 2: Convert to fraction form
    18,583.38/25,638.77 = 10,619.93/x
  3. Step 3: Cross multiply
    18,583.38x = 25,638.77 × 10,619.93
  4. Step 4: Simplify right side
    18,583.38x = 272,281,761.39
  5. Step 5: Solve for x
    x = 272,281,761.39/18,583.38
  6. Step 6: Final answer
    x = 14,651.90

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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.