Home / 12,241.11-18,317.91-10,603.29

Finding the Fourth Proportional to 12,241.11, 18,317.91 and 10,603.29

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Solution

The fourth proportional to 12,241.11, 18,317.91 and 10,603.29 is: 15,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.11 : 18,317.91 = 10,603.29 : x
  2. Step 2: Convert to fraction form
    12,241.11/18,317.91 = 10,603.29/x
  3. Step 3: Cross multiply
    12,241.11x = 18,317.91 × 10,603.29
  4. Step 4: Simplify right side
    12,241.11x = 194,230,111.92
  5. Step 5: Solve for x
    x = 194,230,111.92/12,241.11
  6. Step 6: Final answer
    x = 15,867.03

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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.