Home / 10,893.56-15,032.55-6,112.90

Finding the Fourth Proportional to 10,893.56, 15,032.55 and 6,112.90

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Solution

The fourth proportional to 10,893.56, 15,032.55 and 6,112.90 is: 8,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.56 : 15,032.55 = 6,112.90 : x
  2. Step 2: Convert to fraction form
    10,893.56/15,032.55 = 6,112.90/x
  3. Step 3: Cross multiply
    10,893.56x = 15,032.55 × 6,112.90
  4. Step 4: Simplify right side
    10,893.56x = 91,892,516.61
  5. Step 5: Solve for x
    x = 91,892,516.61/10,893.56
  6. Step 6: Final answer
    x = 8,435.49

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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.