Home / 13,775.38-18,993.22-11,647.24

Finding the Fourth Proportional to 13,775.38, 18,993.22 and 11,647.24

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Solution

The fourth proportional to 13,775.38, 18,993.22 and 11,647.24 is: 16,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.38 : 18,993.22 = 11,647.24 : x
  2. Step 2: Convert to fraction form
    13,775.38/18,993.22 = 11,647.24/x
  3. Step 3: Cross multiply
    13,775.38x = 18,993.22 × 11,647.24
  4. Step 4: Simplify right side
    13,775.38x = 221,218,591.71
  5. Step 5: Solve for x
    x = 221,218,591.71/13,775.38
  6. Step 6: Final answer
    x = 16,058.98

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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.