Home / 11,308.78-16,963.14-7,412.26

Finding the Fourth Proportional to 11,308.78, 16,963.14 and 7,412.26

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Solution

The fourth proportional to 11,308.78, 16,963.14 and 7,412.26 is: 11,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.78 : 16,963.14 = 7,412.26 : x
  2. Step 2: Convert to fraction form
    11,308.78/16,963.14 = 7,412.26/x
  3. Step 3: Cross multiply
    11,308.78x = 16,963.14 × 7,412.26
  4. Step 4: Simplify right side
    11,308.78x = 125,735,204.10
  5. Step 5: Solve for x
    x = 125,735,204.10/11,308.78
  6. Step 6: Final answer
    x = 11,118.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.