Home / 11,389.25-15,717.55-6,608.82

Finding the Fourth Proportional to 11,389.25, 15,717.55 and 6,608.82

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Solution

The fourth proportional to 11,389.25, 15,717.55 and 6,608.82 is: 9,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.25 : 15,717.55 = 6,608.82 : x
  2. Step 2: Convert to fraction form
    11,389.25/15,717.55 = 6,608.82/x
  3. Step 3: Cross multiply
    11,389.25x = 15,717.55 × 6,608.82
  4. Step 4: Simplify right side
    11,389.25x = 103,874,442.27
  5. Step 5: Solve for x
    x = 103,874,442.27/11,389.25
  6. Step 6: Final answer
    x = 9,120.40

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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.