Home / 14,449.13-19,941.42-8,161.91

Finding the Fourth Proportional to 14,449.13, 19,941.42 and 8,161.91

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Solution

The fourth proportional to 14,449.13, 19,941.42 and 8,161.91 is: 11,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.13 : 19,941.42 = 8,161.91 : x
  2. Step 2: Convert to fraction form
    14,449.13/19,941.42 = 8,161.91/x
  3. Step 3: Cross multiply
    14,449.13x = 19,941.42 × 8,161.91
  4. Step 4: Simplify right side
    14,449.13x = 162,759,934.80
  5. Step 5: Solve for x
    x = 162,759,934.80/14,449.13
  6. Step 6: Final answer
    x = 11,264.35

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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.