Home / 13,270.08-18,310.62-7,603.73

Finding the Fourth Proportional to 13,270.08, 18,310.62 and 7,603.73

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Solution

The fourth proportional to 13,270.08, 18,310.62 and 7,603.73 is: 10,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.08 : 18,310.62 = 7,603.73 : x
  2. Step 2: Convert to fraction form
    13,270.08/18,310.62 = 7,603.73/x
  3. Step 3: Cross multiply
    13,270.08x = 18,310.62 × 7,603.73
  4. Step 4: Simplify right side
    13,270.08x = 139,229,041.26
  5. Step 5: Solve for x
    x = 139,229,041.26/13,270.08
  6. Step 6: Final answer
    x = 10,491.95

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1.5x scale

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.