Home / 14,042.14-19,377.36-8,383.28

Finding the Fourth Proportional to 14,042.14, 19,377.36 and 8,383.28

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Solution

The fourth proportional to 14,042.14, 19,377.36 and 8,383.28 is: 11,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.14 : 19,377.36 = 8,383.28 : x
  2. Step 2: Convert to fraction form
    14,042.14/19,377.36 = 8,383.28/x
  3. Step 3: Cross multiply
    14,042.14x = 19,377.36 × 8,383.28
  4. Step 4: Simplify right side
    14,042.14x = 162,445,834.54
  5. Step 5: Solve for x
    x = 162,445,834.54/14,042.14
  6. Step 6: Final answer
    x = 11,568.45

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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.