Home / 13,418.22-18,501.36-10,892.37

Finding the Fourth Proportional to 13,418.22, 18,501.36 and 10,892.37

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Solution

The fourth proportional to 13,418.22, 18,501.36 and 10,892.37 is: 15,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.22 : 18,501.36 = 10,892.37 : x
  2. Step 2: Convert to fraction form
    13,418.22/18,501.36 = 10,892.37/x
  3. Step 3: Cross multiply
    13,418.22x = 18,501.36 × 10,892.37
  4. Step 4: Simplify right side
    13,418.22x = 201,523,658.62
  5. Step 5: Solve for x
    x = 201,523,658.62/13,418.22
  6. Step 6: Final answer
    x = 15,018.66

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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.