Home / 13,682.18-18,893.85-10,319.24

Finding the Fourth Proportional to 13,682.18, 18,893.85 and 10,319.24

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Solution

The fourth proportional to 13,682.18, 18,893.85 and 10,319.24 is: 14,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.18 : 18,893.85 = 10,319.24 : x
  2. Step 2: Convert to fraction form
    13,682.18/18,893.85 = 10,319.24/x
  3. Step 3: Cross multiply
    13,682.18x = 18,893.85 × 10,319.24
  4. Step 4: Simplify right side
    13,682.18x = 194,970,172.67
  5. Step 5: Solve for x
    x = 194,970,172.67/13,682.18
  6. Step 6: Final answer
    x = 14,249.93

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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.