Home / 13,941.42-19,242.84-8,633.22

Finding the Fourth Proportional to 13,941.42, 19,242.84 and 8,633.22

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Solution

The fourth proportional to 13,941.42, 19,242.84 and 8,633.22 is: 11,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.42 : 19,242.84 = 8,633.22 : x
  2. Step 2: Convert to fraction form
    13,941.42/19,242.84 = 8,633.22/x
  3. Step 3: Cross multiply
    13,941.42x = 19,242.84 × 8,633.22
  4. Step 4: Simplify right side
    13,941.42x = 166,127,671.14
  5. Step 5: Solve for x
    x = 166,127,671.14/13,941.42
  6. Step 6: Final answer
    x = 11,916.12

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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.