Home / 14,042.57-19,380.62-13,581.02

Finding the Fourth Proportional to 14,042.57, 19,380.62 and 13,581.02

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Solution

The fourth proportional to 14,042.57, 19,380.62 and 13,581.02 is: 18,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.57 : 19,380.62 = 13,581.02 : x
  2. Step 2: Convert to fraction form
    14,042.57/19,380.62 = 13,581.02/x
  3. Step 3: Cross multiply
    14,042.57x = 19,380.62 × 13,581.02
  4. Step 4: Simplify right side
    14,042.57x = 263,208,670.24
  5. Step 5: Solve for x
    x = 263,208,670.24/14,042.57
  6. Step 6: Final answer
    x = 18,743.63

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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.