Home / 14,330.56-19,778.04-8,042.94

Finding the Fourth Proportional to 14,330.56, 19,778.04 and 8,042.94

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Solution

The fourth proportional to 14,330.56, 19,778.04 and 8,042.94 is: 11,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.56 : 19,778.04 = 8,042.94 : x
  2. Step 2: Convert to fraction form
    14,330.56/19,778.04 = 8,042.94/x
  3. Step 3: Cross multiply
    14,330.56x = 19,778.04 × 8,042.94
  4. Step 4: Simplify right side
    14,330.56x = 159,073,589.04
  5. Step 5: Solve for x
    x = 159,073,589.04/14,330.56
  6. Step 6: Final answer
    x = 11,100.31

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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.