Home / 13,941.45-19,230.45-8,272.19

Finding the Fourth Proportional to 13,941.45, 19,230.45 and 8,272.19

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Solution

The fourth proportional to 13,941.45, 19,230.45 and 8,272.19 is: 11,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.45 : 19,230.45 = 8,272.19 : x
  2. Step 2: Convert to fraction form
    13,941.45/19,230.45 = 8,272.19/x
  3. Step 3: Cross multiply
    13,941.45x = 19,230.45 × 8,272.19
  4. Step 4: Simplify right side
    13,941.45x = 159,077,840.03
  5. Step 5: Solve for x
    x = 159,077,840.03/13,941.45
  6. Step 6: Final answer
    x = 11,410.42

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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.