Home / 13,417.26-20,105.37-9,018.42

Finding the Fourth Proportional to 13,417.26, 20,105.37 and 9,018.42

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Solution

The fourth proportional to 13,417.26, 20,105.37 and 9,018.42 is: 13,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.26 : 20,105.37 = 9,018.42 : x
  2. Step 2: Convert to fraction form
    13,417.26/20,105.37 = 9,018.42/x
  3. Step 3: Cross multiply
    13,417.26x = 20,105.37 × 9,018.42
  4. Step 4: Simplify right side
    13,417.26x = 181,318,670.92
  5. Step 5: Solve for x
    x = 181,318,670.92/13,417.26
  6. Step 6: Final answer
    x = 13,513.84

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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.