Home / 9,451.14-13,042.56-5,259.39

Finding the Fourth Proportional to 9,451.14, 13,042.56 and 5,259.39

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Solution

The fourth proportional to 9,451.14, 13,042.56 and 5,259.39 is: 7,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.14 : 13,042.56 = 5,259.39 : x
  2. Step 2: Convert to fraction form
    9,451.14/13,042.56 = 5,259.39/x
  3. Step 3: Cross multiply
    9,451.14x = 13,042.56 × 5,259.39
  4. Step 4: Simplify right side
    9,451.14x = 68,595,909.64
  5. Step 5: Solve for x
    x = 68,595,909.64/9,451.14
  6. Step 6: Final answer
    x = 7,257.95

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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.