Home / 15,379.03-23,069.68-5,518.39

Finding the Fourth Proportional to 15,379.03, 23,069.68 and 5,518.39

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Solution

The fourth proportional to 15,379.03, 23,069.68 and 5,518.39 is: 8,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.03 : 23,069.68 = 5,518.39 : x
  2. Step 2: Convert to fraction form
    15,379.03/23,069.68 = 5,518.39/x
  3. Step 3: Cross multiply
    15,379.03x = 23,069.68 × 5,518.39
  4. Step 4: Simplify right side
    15,379.03x = 127,307,463.82
  5. Step 5: Solve for x
    x = 127,307,463.82/15,379.03
  6. Step 6: Final answer
    x = 8,277.99

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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.